Senior Information System Security Engineer MANTECHSenior Information System Security EngineerChantilly, VAHold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP) CE, Certified Secure Software Lifecycle Professional (CSSLP), CISSP- Information System Security Engineering Professional (ISSEP), Certified Information System Manager (CISM), or CISSP- Information System Security Architecture Professional (ISSAP). Must meet one of the following levels of experience: A high school diploma/GED and 14 years’ experience, an Associate’s degree and 10 years’ experience, a Bachelors degree and 8 years’ experience, or a Master’s and 6 years’ experience.
Network Deployment Engineer MANTECHNetwork Deployment EngineerChantilly, VAExperience with Microsoft Windows 2008/2012/2016/2019 Servers; Microsoft Windows 10; administering Microsoft Exchange, Active Directory, and workstation and server hardware; administering Microsoft Office 2010/2016; administering DNS, Group Policy, and PKI; administering vSphere, Horizon View, data backup, and antivirus software; basic networking including DHCP/TCPIP; experience with deploying workstation images; and experience with thin and/or zero clients. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.
IP Network Test Engineer By Light Professional IT ServicesIP Network Test EngineerFort Meade, MDExpertise in large-scale IP Networking & Testing with backbone routers (Juniper MX and Cisco ASR9K) running ISIS, BGP/MP-BGP (multi AS), MPLS routing protocols, switches and testing gear including traffic generators from IXIA, Spirent Test Center and Agilent N2X. These technologies include network devices (routers, switches, firewalls, and Intrusion Detection Systems (IDS), and services Authentication, Authorization and Accounting (AAA), Access Control List (ACL), secure remote access (i.e Secure shell, Secure VPN, IPSec), and IPv6 capable devices.
Data Center Operations & Security Lead (TS/SCI w/ Poly) JobotData Center Operations & Security Lead (TS/SCI w/ Poly)Washington, DC$190,000–$235,000 / yearA mission-focused engineering organization supporting classified U.S. Government programs is seeking an experienced Data Center Operations & Security Lead to oversee secure infrastructure environments within a high-availability facility. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Network Based Systems Analyst - III Base One TechnologyNetwork Based Systems Analyst - IIIArlington, VA$100,000–$140,000 / yearContractorProvides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity.
NewCyber Security Analyst MANTECHCyber Security AnalystChantilly, VAExperience with one or more of the following: SIEM systems, network security tools, log analysis tools, cybersecurity principles, incident detection, analysis, and response methodologies, operating systems, network protocols, and security technologies. Bachelor’s Degree and 2+ years of experience in Cybersecurity, Information Technology, Computer Science, or other relevant technical field; experience can be any combination professional experience, internships, lab work or coursework.
NewSenior Specialist, Information Security Systems Engineering L3Harris TechnologiesSenior Specialist, Information Security Systems EngineeringChantilly, VA$106,500–$196,500 / yearAssist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls.
NewSr. Delivery Consultant, National Security (NatSec) Professional Services (ProServe) Amazon Web Services, Inc.Sr. Delivery Consultant, National Security (NatSec) Professional Services (ProServe)Jessup, MDWe pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. - Knowledge of AWS services including compute, storage, networking, security, databases, machine learning, and serverless technologies.
NewCloud Solutions Consultant, National Security (NatSec) Professional Services (ProServe) Amazon Web Services, Inc.Cloud Solutions Consultant, National Security (NatSec) Professional Services (ProServe)Jessup, MDWe pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. - Knowledge of AWS services including compute, storage, networking, security, databases, machine learning, and serverless technologies.
Security Systems Technician II Active Security Consulting LLCSecurity Systems Technician IIDulles, VAThe Security Systems Technician II can operate independently, bringing several years of experience to the field with the ability to perform installations, maintenance, troubleshoot complex issues, lead smaller projects, and assist in training junior technicians. Active Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients.
Network Analyst MANTECHNetwork AnalystQuantico, VAMANTECH seeks a motivated, career and customer-oriented Network Analyst to join our team USMC Team in Stafford, VA to analyze and evaluate foreign network systems, such as local area networks (LAN), wide area networks (WAN), internet, intranet, satellite, and other data communications systems. Assess and identify significant risk characteristics of the foreign network systems such as classification of network, baseline activity, architecture, operating system, services, connectivity and bandwidth.
Communications Network Engineer III By Light Professional IT ServicesCommunications Network Engineer IIIFort Meade, MDBy Light also considers other variables such as (but not limited to) work experience, education, training, skill set, internal peer equity, clearance level and market conditions when extending an offer. By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next.
Senior Network Engineer LeidosSenior Network EngineerAccokeek, MD$107,900–$195,050The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
NewSenior Information System Security Officer MANTECHSenior Information System Security OfficerChantilly, VAHold at least one of the following Information Assurance Management (IAM) Level III certifications: Certified Information Systems Security Professional (CISSP), Global Information Security Professional (GISP), Certified Information System Manager (CISM), or the CompTIA Advanced Security Practitioner (CASP) or equivalent certifications. Monitor security controls for FBI ISs to maintain security Authorized to Operate (ATO); Upload all security control evidence to the Governance, Risk, and Compliance (GRC) application to support security control implementation during the monitoring phase.
Computer Security Systems Specialist By Light Professional IT ServicesComputer Security Systems SpecialistMcLean, VAWe’re looking for a Computer Security Systems Specialist to design, document, and implement cybersecurity controls for Army enterprise networks. You’ll ensure systems are engineered and configured to meet DoD, Army, and DISA security requirements, and you’ll support fielded systems through assessment, approval, and operational deployment.
System Engineer - Cyber Security Engineering Focus EsriSystem Engineer - Cyber Security Engineering FocusVienna, VA$120,640–$197,600 / yearYoull work closely with other system engineers, administrators, and program teams to ensure systems are built, assessed, and operated in compliance with DoD and NIST requirements. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
Lead Security Engineer with TS/SCI Poly LeidosLead Security Engineer with TS/SCI PolyAnnapolis Junction, MD$154,050–$278,475The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
NewSenior ISSO Security Analyst American Management Group, LLC (AMG)Senior ISSO Security AnalystManassass, VirginiaFull timeAs a Security Analyst on our team, you’ll use your experience to work with Veterans Affairs (VA) Information System Owners (ISO), Information System Security Officers (ISSO), site managers, and other system stakeholders to coordinate and drive the completion of Risk Management Framework (RMF) steps 0-6 ATO activities and requirements, identify and mitigate risks, escalate project risks to leadership, understand and apply VA authorization policies and processes, and provide information system security expertise. Nice If You Have: Experience with Continuous Authorization and Monitoring (CAM) Experience working with the VA Experience supporting ATOs for specialized devices Ability to engage with varying levels of staff and leadership Possession of excellent verbal and written communication skills The hourly rate of pay for this position is $73.89/hr.
NewISSO Security Analyst American Management Group, LLC (AMG)ISSO Security AnalystManassass, VirginiaFull timeAs a Security Analyst on our team, you’ll use your experience to work with Veterans Affairs (VA) Information System Owners (ISO), Information System Security Officers (ISSO), site managers, and other system stakeholders to coordinate and drive the completion of Risk Management Framework (RMF) steps 0-6 ATO activities and requirements, identify and mitigate risks, escalate project risks to leadership, understand and apply VA authorization policies and processes, and provide information system security expertise. You will complete and maintain very detailed security documentation and coordinate to execute ATO support duties that documents security details related to system installations, a variety of IT systems, networks, hardware, and software in a variety of complex and simple installation sites.
Senior Information Systems Security Officer Shield AISenior Information Systems Security OfficerWashington, DCThe ideal candidate has experience administering and securing SAP information systems, working with government security stakeholders, and implementing cybersecurity controls in accordance with NIST, JSIG, and DoD policies. We are seeking a mid-level Information System Security Officer (ISSO) to support and manage classified and/or sensitive information systems operating under the Department of Defense (DoD) Special Access Program (SAP) environment.
NewSecurity Installer (union) Johnson ControlsSecurity Installer (union)Chantilly, VAThis position will be responsible for the installation of complex integrated security systems to include the wiring, equipment and programming of access control systems, CCTV, digital recorders, network recorders, and intercom systems for clients. Additional experience a plus: MCSE, CCNA, Surveillance Systems, Intrusion Detection Systems, Perimeter Intrusion Detection Systems and Security Gate Operators.
Sr. Systems Development Engineer , Secure Connection Services (SCS), Tactical Edge Mission Engineering Group (TEMEG) Amazon Development Center U.S., Inc.Sr. Systems Development Engineer , Secure Connection Services (SCS), Tactical Edge Mission Engineering Group (TEMEG)Herndon, VAWe're looking for systems engineers who can synthesize complex operational and compliance requirements into clear infrastructure strategies, move fast with high judgment, and continuously raise the bar for what's possible in some of the world's most demanding environments. - Architect, deliver, and operate large-scale infrastructure automation and deployment pipelines for ADC environments with a focus on security, availability, and repeatability, repeatability, observability, and fault tolerance.
NewInformation System Security Engineer NASInformation System Security EngineerWoodbridge, VA$150,000–$185,000 / yearFull timeArchitectural & Enterprise CDS Gatekeeping: Serve as the principal technical reviewer for DTRA organizations onboarding onto pre-accredited Enterprise CDS (ECDS) and Raise the Bar (RTB) compliant Cloud CDS providers (e.g., AWS/Azure CDS). Communication: Exceptional verbal and written communication skills, with proven experience presenting complex risk profiles, technical trade-offs, and out-of-the-box mitigations directly to senior government leadership (GS-15/O-6 level).
VP, Global Head of Product Security and Risk - Remote CircleVP, Global Head of Product Security and Risk - RemoteWashington DC, DCRemote$317,500–$365,000 / yearThis role requires both strategic vision and operational rigor: you will architect the systems, governance models, and organizational capabilities that ensure Circle’s products are designed, launched, and operated with strong, risk-based controls from inception through global scale. Circle’s platform includes the world’s largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet.
NewHybrid Cloud Engineer ECLAROHybrid Cloud EngineerWashington DC, DCCloud Operations & Reliability: Experience designing highly available systems using Azure-native tools for monitoring, backup, disaster recovery, and cost optimization. Virtualization & Core Infrastructure: Deep expertise in VMware (vSphere, ESXi, NSX, vCenter, SRM) and enterprise compute, storage, networking, and Active Directory.
IP and Optical Test Engineers By Light Professional IT ServicesIP and Optical Test EngineersFort Meade, MD$100,000–$200,000 / yearProvide expertise in order to certify and support Optical systems to include optical switches, amplifiers, regenerators, Optical Dense Wavelength Division Multiplexing (DWDM), Optical Transport Networking (OTN), Optical Transport Unit (OTU) frames, OTN-based backbones, optical light paths, optical spectrum sharing, optical virtual private networks (O-VPNs), wavelength-based private services, Packet-Optical Transport System (P-OTS), Ethernet, Flexible Ethernet (FlexE), Carrier Ethernet. These technologies include network devices (Optical Transport Systems, Optical Line Systems, Optical Transponders, routers, switches, firewalls, and Intrusion Detection Systems (IDS), and services Authentication, Authorization and Accounting (AAA), Access Control List (ACL), secure remote access (i.e Secure shell, Secure VPN, IPSec), and IPv6 capable devices.
NewUnified Communications Engineer MANTECHUnified Communications EngineerChantilly, VASupports the enterprise program with the installation of local and/or remote data and voice communications equipment to include but not limited to voice terminals, video conferencing units, concentrators, minicomputers, central processing units, and facsimiles. Experience with Cisco VTC codes, Cisco VoIP endpoints, Cisco Unified Call Manager (CUCM) version 11.5 or later, Cisco Meeting Server, Cisco Telepresence Management Server or VQ Conference Manager.
NewIntegration Engineer LeidosIntegration EngineerLorton, VA$73,450–$132,775Supporting the HEITS management team, the selected individual will be responsible for providing services for the design of new sites, IT renovations, cabling, server room space, desktop PC deployments, printers, faxes, phone(s); copiers; data storage, shared drives, and general-purpose applications on HSDN and C-LAN. The Department of Homeland Security (DHS) has a continuing requirement for Homeland Enterprise IT Secure Services and Support (HEITS) for the continued operations and maintenance and evolution of the Homeland Secure Data Network (HSDN) and the Classified Local Area Network (C-LAN).
NewSenior Associate, Cloud Engineer - Terraform KPMGSenior Associate, Cloud Engineer - TerraformWashington, DCQualifications: Minimum three years of recent experience in IT infrastructure technology management and architecture including IaaS/PaaS/DevOps cloud transformation programs and infrastructure automation, prior system/storage; admin/engineering experience and consulting experience; four years of cloud strategy, migration, and transformation leadership including cloud services (IaaS/PaaS) implementation & migration, including Azure or AWS. Additional desirable experience in infrastructure automation and instrumentation (Unix Admin, Scripting / Programming Capabilities, SDLC Process Knowledge), Unified Communications, Collaboration, Database/application server architecture, network, information security, GenAI, RAG.
DevOps Engineer By Light Professional IT ServicesDevOps EngineerHanover, MDAbility to perform many duties involving DevOps functions including, but not limited to, authoring and maintaining automation deployment and monitoring scripts, researching, implementing and maintaining Continuous Integration / Continuous Delivery (CI-CD) tools and processes, automating application deployments, managing virtualized and containerized assets, creating virtual and physical network configurations, servers, communications, and test and developer engineering support. Interact with developers to understand software changes that will impact development and testing activities, examine any relevant change implementation, then report the changes to developers and testers welcoming feedback for future improvements.
Sr. System Engineer - ArcGIS EsriSr. System Engineer - ArcGISVienna, VA$156,000–$239,200 / yearDeploy and configure complex ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.
System Engineer - ArcGIS EsriSystem Engineer - ArcGISVienna, VA$120,640–$197,600 / yearDeploy and configure ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.
Connectivity Engineer III By Light Professional IT ServicesConnectivity Engineer IIIFort Meade, MD$164,000–$198,000 / yearImplements and sustains Wide area networks (WANs), Campus Area Networks (CANs), Data Center Networks/Interfaces (DCN/DCI), Network Security (NETSEC) and Tactical/Deployable Networking Systems. Perform engineering services to enable all aspects of network management from network design through implementation, maintenance, sustainment of existing networks, and identification/correction of complex internetwork issues.
Site Reliability Engineer - CTJ - POLY MicrosoftSite Reliability Engineer - CTJ - POLYReston, VA$119,800–$234,700 / yearMasters Degree in Computer Science, Information Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration OR Bachelors Degree in Computer Science, Information Technology, or related field AND 4+ years technical experience in software engineering, network engineering, or systems administration OR equivalent experience. Our team works across all facets of isolated system engineering and is deeply involved in defining and improving service health through SLIs/SLOs and error budgets, building automation to reduce toil, strengthening observability (logs, metrics, traces), reducing systemic latency, validating and transforming data, and optimizing throughput and capacity.
Senior Director, Strategic & Named Accounts - Healthcare - Remote InfobloxSenior Director, Strategic & Named Accounts - Healthcare - RemoteWashington DC, DCRemoteHere, how we empower our people is extraordinary: Glassdoor Best Places to Work 2025, Great Place to Work-Certified in five countries, and Cigna Healthy Workforce honors three years running — and what we build is world-class: recognized as CybersecAsia’s Best in Critical Infrastructure 2024 — evidence that when first-class technology meets empowered talent, remarkable careers take shape. This role requires a proven enterprise sales executive with a track record of scaling high-performing organizations, developing leaders, building executive customer relationships, and consistently exceeding aggressive growth targets within cybersecurity, networking, cloud, SaaS, or adjacent enterprise technology markets.
Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.
Endpoint Engineer LeidosEndpoint EngineerBowie, MD$87,100–$157,450Ensure proper OS images are deployed to all endpoint devises, test and manage software updates, ensure appropriate and enforce security policies (EDR/AV), and automate workflows to ensure stable, compliant, and efficient computing environments for endpoint migrations. The Defense Enclave Services contract will unify the DoD Fourth Estate Defense Agencies and Field Activities’ (DAFAs) common use information technology systems, personnel, functions, and program elements under the direction of DISA’s Fourth Estate Network Optimization program office.
Cloud Engineer LeidosCloud EngineerArlington, VA$87,100–$157,450If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 25, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Systems Engineer LeidosSystems EngineerTemple Hills, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.
Solution Architect / Engineer LeidosSolution Architect / EngineerCheltenham, MD$131,300–$237,350This role combines high level architectural design with deep technical implementation, requiring an individual who can define target-state architectures, build and optimize solutions, and guide modernization across hybrid and multi cloud environments. Proven hands-on experience designing and implementing solutions across hybrid/multi-cloud environments (AWS and Azure strongly preferred), on-premises data centers, virtualization platforms, and containerized workloads (e.g., Kubernetes/Docker).
NewSystems Engineer - Corporate Pratum CompaniesSystems Engineer - CorporateGaithersburg, MD$90,000–$105,000 / yearFull timeThe Systems Engineer works closely with the Senior Vice President of Support Services, internal IT staff, business leaders, and third-party vendors to support infrastructure, cybersecurity, networking, and cloud initiatives. This role is exempt and has an anticipated annualized base salary range of $90k-$105k for a new employee depending on a number of relevant factors including individuals’ experience, qualifications, knowledge, skills, abilities, client/property or company budgetary limitations/guidelines, and other job-related company and market considerations.
Networking Security Engineer II CACINetworking Security Engineer IIColumbia, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Bachelor’s degree in Communications Engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related disciple from an accredited college or university is required.
Network Security Engineer Guidepoint Security LLCNetwork Security EngineerDCNetwork Security Engineers interact daily with a wide variety of industry leading network security products including, but not limited to, firewalls, Intrusion prevention systems, full packet capture solutions, mail gateways, advanced malware defense systems, and TLS inspection solutions. With more than 800 vetted technology vendor partnerships and deep practitioner expertise across every major cybersecurity domain, GuidePoint serves more than half of the U.S. Government's cabinet-level agencies across Civilian, DoD, and Intelligence Community segments, as well as Federal System Integrators and major defense prime contractors.
Senior Network Security Engineer CACI International IncSenior Network Security EngineerColumbia, MD$120,800–$265,800 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We're looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.
Network Security Engineer CACI International IncNetwork Security EngineerColumbia, MD$120,800–$265,800 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We're looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.
Senior Network Security Engineer CACISenior Network Security EngineerColumbia, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We’re looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.
Network Security Engineer CACINetwork Security EngineerColumbia, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We’re looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.
Cisco Network Security Engineer/ Senior Consultant Deloitte Touche Tohmatsu LtdCisco Network Security Engineer/ Senior ConsultantWashington, DC$105,400–$207,800 / year3+ years of experience with Cisco Identity Services Engine (ISE) 802.1X Network Access Control (NAC), guest lifecycle management, profiling policies, TrustSec segmentation, and Cisco Firepower capabilities including intrusion prevention system (IPS), malware protection, Uniform Resource Locator (URL) filtering, Domain Name System (DNS)-based security, Secure Sockets Layer/Transport Layer Security (SSL/TLS) decryption, and cloud firewall deployments in Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP). 5+ years of experience designing, deploying, and managing Cisco Firepower Threat Defense (FTD) and Firepower Management Center (FMC) in enterprise environments, including physical appliances, virtual instances, and cloud-delivered Firewall Management Center (cdFMC).
Cyber Zscaler Network Security Engineer / Senior Consultant, Strategy, Growth, and Transformation Deloitte Touche Tohmatsu LtdCyber Zscaler Network Security Engineer / Senior Consultant, Strategy, Growth, and TransformationMcLean, VA$105,400–$207,800 / year1+ years of experience designing, deploying, and managing Zscaler Cloud Connector, including deployment within cloud environments (AWS, Azure, and/or GCP), workload-to-internet and workload-to-workload traffic inspection, and integration with cloud-native networking constructs (e.g., VPCs, VNets, Transit Gateways). 5+ years of hands-on experience designing, deploying, and managing Zscaler Private Access (ZPA), including application segment configuration, access policies, connector deployment, and zero trust network access (ZTNA) architectures replacing legacy VPN infrastructure.
Top Secret Network Security Engineer Zp Group LlcTop Secret Network Security EngineerWashington, DC$130,000–$150,000 / yearThe Top Secret Network Security Engineer role is ideal for a senior-level professional with deep expertise in Cisco security technologies, enterprise network architecture, and secure infrastructure design who thrives in highly regulated, mission-critical environments. Qualifications of the Top Secret Network Security Engineer: 10+ years of IT experience (internships, capstones, and additional experience may be considered toward total experience).