Network Security Engineer MANTECHNetwork Security EngineerChantilly, VAOccasionally 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. High School Diploma or GED with 7+ years of progressively responsible experience in Network Security Engineering, Network Analysis, or a related technical discipline.
Network Security Microsegmentation Engineer System OneNetwork Security Microsegmentation EngineerMerrifield, VARemoteThe engineer will work closely with application, infrastructure, cybersecurity, and architecture teams and will be responsible for traffic analysis, firewall/policy management, troubleshooting connectivity issues, policy lifecycle/change management, and production support across on-premises, hybrid, and potentially cloud environments. This role will focus on designing, implementing, and supporting microsegmentation controls using Illumio to reduce lateral movement risk and enforce least-privilege access across enterprise workloads.
NewInformation Security Systems Engineer L3Harris TechnologiesInformation Security Systems EngineerChantilly, VA$106,500–$197,500 / 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.
NewLead, Information Security Systems Engineering L3Harris TechnologiesLead, Information Security Systems EngineeringChantilly, VA$127,500–$236,500 / 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.
Long Range Networked Fires Engineer Johns Hopkins Applied Physics Laboratory (APL)Long Range Networked Fires EngineerLaurel, MD$100,000–$245,000 / yearAs a member of our team, you will provide thought leadership and conduct rigorous analysis and engineering to rapidly develop and demonstrate technologies and integrated systems concepts and solutions that can enable effective joint, integrated, theatre level defense across all operational warfighting domains (land, sea, air, space). Have experience and background in some or all of the following: systems architecture, requirements, interface, and algorithm prototyping and performance analysis, active and passive sensors, target tracking and sensor fusion algorithms and design concepts, command and control concepts, distributed communications systems, advanced kill chain analysis, integrated fire control concepts.
NewNetwork Integration Deployment Engineer CYKOR LLCNetwork Integration Deployment EngineerMcLean, VAThis position works closely with network architects, systems engineers, project managers, logisticians, cybersecurity personnel, and customer teams to ensure deployments are completed safely, securely, on schedule, and in accordance with approved technical designs. The Network Deployment Engineer supports the installation, integration, configuration, testing, and sustainment of enterprise and tactical network solutions.
NewSenior Specialist, IT Security L3Harris TechnologiesSenior Specialist, IT SecurityAshburn, VA$96,000–$178,000 / yearWith customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
NewNetwork Scientist goTennaNetwork ScientistFairfax, VAAdvanced degree in Computer Science, Computer Engineering, or a related field and at least one (1) year of relevant experience in Computer Networking, Wireless Mesh Networking, and Network Communications. Were seeking a Network Scientist to work with our CTO, Scientific Advisor, and Product & Engineering teams to develop and extend goTenna’s Aspen Grove mesh networking protocol suite.
Information System Security Officer PlanIT GroupInformation System Security OfficerFalls Church, VAJob Description: Information System Security Officer Conducts assessments of threats and vulnerabilities, determines deviations from acceptable configurations or enterprise or local policy, assesses the level of risk, and develops and/or recommends appropriate mitigation countermeasures in operational and non-operational situations. Task description and/or any specific requirements: • Ability to manage responsibility for security assessments of a variety of applications or domains, to include cloud computing, and to manage several project/initiatives of large size, complexity, and risk.
AWS Cloud Security Architect System OneAWS Cloud Security ArchitectReston, VA$156,300 / yearProvide security architecture guidance for enterprise applications, AWS cloud environments, hybrid infrastructure, cybersecurity platforms, APIs, containers, data solutions, and AI enabled applications. Support secure AI/GenAI adoption, including LLM integrations, RAG implementations, prompt security, data protection, access controls, monitoring, logging, and human in the loop safeguards.
IT Security Specialist PlanIT GroupIT Security SpecialistReston, VAManages and administers a wide range of security systems and tools: o Administers cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions. o Operates cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions.
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.
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.
Hybrid 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.
NewLead Specialist, Federal Cyber AppGate Engineer KPMGLead Specialist, Federal Cyber AppGate EngineerWashington, DCQualifications: A minimum of five years of experience with network security technology and diverse Zero Trust Network Access (ZTNA) solutions, including hands-on AppGate SDP implementation experience; U.S. Federal government consulting experience preferred. If you're looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory.
DevSecOps Engineer PlanIT GroupDevSecOps EngineerWashington, DCExperience with creating and improving automation scripts across multiple technical stacks using Python, • Experience with troubleshooting and resolving issues related to both open source and commercial tools in public cloud environments. • Experience with AWS & Azure & the development of tools and processes to drive DevSecOps maturity by automating builds, regression testing, monitoring, and pushing releases across environments.
ACL Firewall Engineer American Management Group, LLC (AMG)ACL Firewall EngineerManassass, VirginiaFull timeYou will use your experience with Access Control Lists (ACLs), firewall policy design, and network segmentation to support VA business operations and protect PHI, PII, and VA Sensitive data. You’ll be a trusted advisor to your stakeholders as you translate security requirements and future needs into compliant architectures, design patterns, and best‑practice implementations.
Enterprise Architect PlanIT GroupEnterprise ArchitectReston, VAAdvanced routing and traffic engineering (BGP, OSPF/ISIS), path control, and convergence considerations SDWAN and secure connectivity patterns (SASE/SSE where applicable), including segmentation and policy design, QoS design (marking, queuing and shaping), performance engineering (latency/jitter/loss), and capacity planning. • Recommend optimized WAN solutions to Chief Engineer in support of current and long-range planning; collaborate with technical leads to select, recommend, and obtain approvals for tools and technologies that improve efficiency, reduce cost, and increase customer satisfaction.
DevOps Engineer ADG TECH Consulting LLCDevOps EngineerSterling, VAFull timeHands-on experience with AWS managed services (VPC, EC2, EKS, RDS), including monitoring and analytics tools such as AWS CloudWatch, NewRelic. Maintain, monitor, and help improve the performance and availability of the 24x7 production environment including networks, servers, databases, etc.
Interoperability and Communications Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Interoperability and Communications Systems EngineerLaurel, MD$105,000–$290,000 / yearDescription Are you a committed problem-solver with passion for operational tactical data communications? Do you thrive working collaboratively where creativity is encouraged? If so, we're looking for you to join our systems interoperability team at APL! We are seeking creative, motivated, and hard-working engineer who is pas...