1,671 Results for

Network Security Jobs in Reston, VA

Jobs

Washington, DC8 days ago

$75–$80 Per Hour
Full-time
Employee

The Washington Metropolitan Area Transit Authority (WMATA) is seeking resources to build, test, support, and deploy Palo Alto firewalls to support the WMATA partners' Router replacement project. Or minimum of 8 years of demonstratable experience in Palo Alto security solutions or equivalent work experience demonstrating expertise in Palo Alto Firewall configurations and device management.

New!

Washington, DC2 days ago

$190,000–$235,000 Per Year

A 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.

reston, VA27 days ago

$55–$60 Per Hour
Temporary
Contractor
Full-time

Key experience: Application security, Threat Modelling, API Security, DevSecOps, Pipeline security, Infrastructure security, AuthN/Z, Encryption, Key Management, Data discovery and encryption, SIEM, CSPM, CWPP, Access Controls, Container Security. This position requires deep expertise in Information Security principles including Business Security Architecture, Threat Modelling, Data Security (data encryption, masking, tokenization, data access controls), AWS Cloud and Systems architecture.

New!

Washington, DCToday

$100,000–$120,000 Per Year

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. The ideal candidate will have a background helping law firms with the secure operations of infrastructure, platforms, and software, including the installation, maintenance and improvement of hybrid computing environments.

Laurel, MD12 days ago

$100,000–$245,000

Are able to design, build, and test practical, working solutions from the ground up using your deep knowledge and experience in:Building software solutions that enhance network orchestration, automate complex workflows, and provide deep insight through traffic analysis. Design, build, and orchestrate large scale virtualized networking environments using both on-prem and cloud services in order to implement threat-representative network environments tailored for unique missions.

New!

Herndon, VA5 days ago

$90,000–$115,000 Per Year

This role will support 24x7 operations (shift work) for critical networking infrastructure including ExpressRoute, VPN, and core network services across secure federal facilities. Knowledge of Microsoft Operating Systems and products that include Microsoft Windows, Windows Servers, Microsoft Office365 and SharePoint, Microsoft Teams.

New!

McLean, VA6 days ago

$70.47–$86.85 Per Hour
Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

New!

Herndon, VA1 day ago

$110,000–$165,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

New!

Manassas, VAToday

$19–$19

About Securitas USA: With over 640 local branch managers and approximately 86,000 security officers, Securitas provides unmatched security solutions to meet the specific needs of thousands of businesses. Our service offerings include specialized guarding, mobile guarding, remote guarding, and corporate risk management.

New!

Manassas, VA2 days ago

$95,000–$115,000 Per Year

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. We are seeking a proactive Junior Systems/Software Integration Engineer to assist with the deployment, configuration, and validation of complex software solutions across multiple computing environments.

New!

Manassas, VA2 days ago

$95,000–$115,000 Per Year

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. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

New!

Manassas, VA2 days ago

$80,000–$100,000 Per Year

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. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

New!

Arlington, VAToday

The Facility Operations Center (FOC) is a singular support team which proactively monitor the life-safety systems and the infrastructure equipment alarms (e.g., chillers, temperature sensors, generators, UPSs, switchgear, breakers, PDUs, and ATSs) that provides power and cooling to the platform 24x7x365. We 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.

New!

Germantown, MD5 days ago

$130,000–$150,000 Per Year

GIAC Certified Intrusion Analyst (GCIA), GIAC Certified Incident Handler (GCIH), Certified Information System Security Professional or Associate (CISSP or Associate), ISC2 Certified Information Security Manager (CISM), Certified Information Systems Auditor (CISA), Project Management Professional (PMP), Certified Associate in Project Management (CAPM). A Cybersecurity Lead will develop project management plans such as Work Breakdown Structure, mentor and guide team members on the preparation of technical deliverables and resolve project issues, prepares progress/status reports on technical deliverables, and monitor contractual requirements bringing in help from outside the project as needed to mitigate risks.

New!

Herndon, VAToday

The AWS AMER Cost Control team is seeking a passionate and motivated construction cost engineer to support a portfolio of Data Center Construction projects in North and South America. We 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.

New!

Alexandria, VA3 days ago

AWS Data Centers have multiple components such as generators, uninterruptable power sources, diesel generators, electrical switchgear, power distribution units, variable frequency drives, automatic/static transfer switches, chillers [air-cooled and water-cooled], pumps, cooling towers, heat exchangers, CRAHs, air economizers, etc. - Frequently visit (locally) assigned in-operation data centers to troubleshoot, meet customers, supervise vendor’s work to ensure compliance with the scope, design, SOO and applicable local codes.

New!

Herndon, VAToday

We 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. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on.

New!

Alexandria, VA1 day ago

Work within an Agile/Scrum Team supporting multiple systems (.NET, SharePoint, SharePoint workflows) within the grants, administrative and clinical trial business domains; Work with Product Owner and Business Analyst to fully understand business requirements captured as Product Backlog Items (PBIs)/Bugs; Design, develop and test code based on PBIs/Bugs; Build new systems and maintain existing systems; Develop unit tests and system tests; Test systems for Accessibility/Section 508 and security compliance; Implement UI/UX designs; Collaborate with Scrum team to determine the best IT solutions to meet client’s business needs; Work and support IT groups network, security, and user support teams. This position requires a Bachelor's in Computer Science (or related field) and 5 years of web/software development experience, including: 5 years in information system design, large-scale Database Management Systems, and application programming; 5 years with Microsoft tools (Visual Studio, Azure DevOps), TFS, C#, VB.NET, NET 4.0+, MVC, NET Core 8+, Angular, AngularJS, JavaScript, JQuery, HTML, SQL Server (SQL, T-SQL, SSIS, SSRS), DevExpress, and CSS; 5 years with ASP.NET WebForms, ASP.NET MVC, NET Core; 2 years with WCF, Web API; 4 years with Agile/SCRUM; 2 years with Oracle databases and SQL.

New!

Laurel, MD5 days ago

$100,000–$245,000

Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools. Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.

Sterling, VA16 days ago

Full-time
Employee

Hands-on experience with AWS managed services (VPC, EC2, EKS, RDS), including monitoring and analytics tools such as AWS CloudWatch, NewRelic. OperationsMaintain, monitor, and help improve the performance and availability of the 24x7 production environment including networks, servers, databases, etc.

New!

Fort Belvoir, VA5 days ago

Implements the Defense (DOD) Risk Management Framework (RMF) and assists the Information System Security Manager (ISSM) to ensure successful implementation of associated security controls and reviews all RMF documentation packages, and system fielding, operations, or upgrade requirements. Assists with implementing audit measures to ensure compliance with regulatory requirements, participate in organizational inspections and surveys of computer systems, provide inspection results, and assess the adequacy of corrective actions taken.

Laurel, MD12 days ago

$100,000–$245,000

As 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.

Laurel, MD12 days ago

$85,000–$195,000

You will work in a teamed environment to analyze live tactical sensor data; identify and solve problems that impact mission requirements; compare to physics-based simulations that provide unprecedented realism and new levels of understanding of system performance in operationally realistic environments in the presence of the world's most challenging threats. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Laurel, MD12 days ago

$125,000–$290,000

This individual will be instrumental in strengthening the Branch’s technical excellence, advancing strategic core competencies, and mentoring high-performing staff to develop and deliver innovative, mission-relevant capabilities aligned with AMDS strategic intent. The successful candidate will be a highly respected member of the DOW community with demonstrated technical depth, systems engineering rigor, and the ability to lead complex, high-impact engineering efforts.

Laurel, MD12 days ago

$105,000–$290,000

Description
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 pass...

Washington, DC9 days ago

$131,300–$237,350

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. Serve as a People Leader for personnel supporting the Firewall Task Area:Serve as the focal point for all firewall tasks, operations, projects, and assessments.

Laurel, MD12 days ago

$100,000–$245,000

We have custom facilities tailored to specific classes of systems including vehicles, telecommunications/network infrastructure, and industrial systems as well as general reverse engineering labs. Our team specializes in software and hardware reverse engineering, vulnerability research, and developing proof-of-concept offensive cyber capabilities with a focus on embedded systems.

Reston, VA21 days ago

Full-time
Employee

Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions. The NOC Support Engineer is responsible for maintaining, modifying, and managing the NOC's software and monitoring infrastructure, including hardware and software applications used to monitor and manage Inmarsat Government's global MPLS and SATCOM networks.

Laurel, MD12 days ago

$100,000–$245,000

Our engineers and analysts apply a wide-range of disciplines such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Have domain knowledge in ISR processes, systems, platforms, and sensors used by the US military and intelligence community; Navy and Air Force kill chain concepts; targeting, C2, and mission planning processes and tools; threat systems, weapon platforms and systems, and communications networks.

Alexandria, VA11 days ago

Full-time
Employee

You will utilize Splunk and the Machine Learning Toolkit (MLTK) to provide predictive analytics and automated incident response, ensuring the high availability of mission-essential infrastructure. Key Responsibilities: Architect and maintain Splunk AIOps solutions across unclassified and classified enclaves to provide real-time situational awareness.

Washington, DC30+ days ago

Temporary
Contractor
Full-time

This involves building a data platform that supports data flows/pipelines, Extract, Transform and Load (ETL) / Extract, Load and Transform (ELT) and orchestration, data lake/data warehousing, geospatial analysis and services, big data query and analysis. Design and architect robust Azure Government cloud infrastructures, including virtual networks, subnets, firewall rules, and VM configurations, to meet project requirements for scalability, high availability, and security.

New!

McLean, VA6 days ago

Temporary
Contractor
Full-time

The ideal candidate will have strong, infrastructure-focused experience with hands-on knowledge of designing and supporting AWS platform solutions, including native services like EKS, and automating deployments with CloudFormation and CI/CD pipelines. Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles.

College Park, Maryland9 days ago

$146,000–$234,000 Per Year

Responsibilities: Peraton Labs is seeking a poly cleared Senior Network Security Engineer (SDN / Multi-Enclave)to provide senior technical leadership for the secure design, implementation, and sustainment of network and system architectures across multiple enclaves, including environments with different data protection and classification requirements. Minimum of 12 years of experience as a Network Security Engineer (or related role) supporting DoD/IC programs, and a Bachelor’s in Computer Science, Cybersecurity Engineering, System Engineering, Network Engineering or related discipline.

Washington DC, DC30+ days ago

Remote

Full-time

Our platform models complex networking environments (physical, cloud, hybrid) and delivers actionable intelligence that strengthens resilience, accelerates incident response, and maximizes security team productivity. RedSeal, a pioneer in proactive exposure management and winner of the SC Award for Best CTEM Solution, helps organizations see, understand, and secure their hybrid digital environments across IT (on-prem, cloud, and remote workers), OT, and IoT.

Alexandria, VA11 days ago

Bachelor's degree from an accredited institute in a technical discipline; an additional four (4) years of experience may be substituted in lieu of a degree. Monitor and refine Splunk dashboards and alerts in support of firewall operations and incident investigation desired.

Alexandria, VA11 days ago

Tysons, VA30+ days ago

We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies. The categories of Personal Information that we may collect include your name, government-issued identification number(s), email address, mailing address, other contact information, emergency contact information, employment history, educational history, criminal record, and demographic information.

Washington DC, DC26 days ago

Remote

Overview We need Senior Network & Security Engineers with deep VMware NSX and vDefend expertise to support zero-trust private cloud security implementations within VCF environments. You will be embedded in enterprise client engagements delivering micro-segmentation, firewall policy, and lateral security architecture.

Washington, DC30+ days ago

It has come to our attention that individuals are being contacted by persons claiming to represent BDR Solutions using fake email addresses and domains (e.g., @talent-bdrsolutionsllc.com). The Network Security Engineer will be responsible for maintaining computer networks and systems including LAN/WAN, Remote Access, VPN, routers, switches and other hardware.

Urbana, MD30+ days ago

Competencies:Digital : Network Security - F5 BigIP Load Balancer, CNS_Network Security_CiscoExperience (Years):8-10Essential Skills:1. Excellent working knowledge on Nexus Switches (9k/3k/2k) & VPC/VDC/HSRP (DC Network) and F5 Load Balancer.2.

Washington, DC30+ days ago

Remote

$160,000–$190,000

The Trusted Internet Connections 3.0 Cloud Network Security Architect will focus on architecting, implementing, and maintaining secure, compliant network environments in AWS with an emphasis on Trusted Internet Connections (TIC) 3.0 principles. This role involves hands-on deployment and management of Palo Alto VM-Series firewalls, infrastructure as code (IaC), hybrid connectivity, and Zero Trust/TIC-aligned security controls, often functioning independently to support federal client requirements.

Arlington, VA29 days ago

Temporary
Contractor
Full-time

The client’s portfolio of voice products includes Microsoft Teams Phone, Cisco Call Manager, Five9 call center solutions, video intercoms, and legacy voice services. • 10 years of telecommunications and networking experience with technologies such as PSTN, VoIP, call centers, IVR, UCaaS, CCaaS, SIP, SBCs, QoS, cloud.

Springfield, VA30+ days ago

SkyePoint Decisions is a leading Cybersecurity Architecture and Engineering, Critical Infrastructure and Operations, and Applications Development and Maintenance IT service provider headquartered in Dulles, Virginia with operations across the U.S. We provide innovative enterprise-wide solutions as well as targeted services addressing the complex challenges faced by our federal government clients. Audit & Compliance Leadership: Acting as the primary lead for security audits (CISA, NIST, FIPS 140-2/3), ensuring all cybersecurity/network security activities are logged, traceable, and legally compliant.

Fairfax, VA30+ days ago

Description of Duties:Provides technical leadership on the development, testing, and implementation of applications such as BigFix, Fortinet Fortigate, ForeScout CounterACT, CISCO NAC, Blue Coat Advanced Security Gateway, AlienVault enterprise IDS, Palo Alto Global Protect Gateway, TrendMicro Deep Security, and other Continuous Diagnostics and Mitigation (CDM) approved products. The corporate infrastructure is robust and based on industry best practices as evidenced by our DCAA Approved accounting system, Top Secret (TS) facility clearance, ISO 9001:2015, ISO 20000-1:2011, and ISO 27001:2013 certifications, and CMMI Level 5 for Services (CMMI-SVC Level 5) and CMMI Level 3 for Development (CMMI-DEV Level 3) appraisals.

Washington, Washington, DC8 days ago

$105,100–$164,125 Per Year

Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Proven experience with hands-on network engineer or architecture and understands network design, configurations, firewalls, VPNs, IDS/IPS, and load balancing.

Reston, VA22 days ago

Strong analytical and problem-solving skills; demonstrated ability to analyze complex situations, determine course of action and act promptly and effectively when problems arise. This individual will work within a small, mission focused team of network and systems engineers to implement technical solutions addressing challenging collaboration and data protection problems.

Arlington, VA30+ days ago

Required Education: BS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree; or HS Diploma and 7+ years network administration, network engineering or systems administration experience. Argo Cyber is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution.

Arlington, VA30+ days ago

Candidates selected for employment in positions requiring access to sensitive or classified information may also be subject to additional U.S. Government background investigations and security adjudication processes, including DHS Entry on Duty (EOD) suitability or equivalent federal clearance requirements. Our teams provide rapid onsite and remote technical support to organizations affected by cyberattacks, conducting advanced investigations, developing mitigation strategies, and restoring operational integrity.

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Network Security Jobs in Reston, VA

Jobs

Network Security EngineerCSZNet, Inc.

Data Center Operations & Security Lead (TS/SCI w/ Poly)Jobot

Sr. Information Security Architect(AWS)///Inperson interview requiredKey Business Solutions, Inc.

IT Security Engineer (Law Firm)Jobot

Network Orchestration EngineerJohns Hopkins Applied Physics Laboratory (APL)

Federal Network Support Engineer Tier 1/ 1.5Dunhill Professional Search

Lead Information Security EngineerGenesis10

System Integration & Test EngineerJobot

Data Center Security OfficerSecuritas

Software/Systems Integration Engineer (Secret Clearance Required)Jobot

Software/Systems Integration Engineer (RHEL/Clearance)Jobot

Junior Linux Systems Engineer (RHEL/Clearance)Jobot

Facility Operations Center Engineer, ADC InfraOps FOCAmazon Data Services, Inc.

Cyber Security LeadDunhill Professional Search

Construction Cost Engineer, AMER Cost ControlAmazon Data Services, Inc.

Data Center Controls EngineerAmazon Data Services, Inc.

Quality Control Engineer, Integrated Project Quality (IPQ)Amazon Data Services, Inc.

Application Programmer - Level IIICalibre Systems

Formal Verification and Software Assurance EngineerJohns Hopkins Applied Physics Laboratory (APL)

DevOps EngineerADG TECH CONSULTING, LLC

Cybersecurity AnalystDCS Corporation

Long Range Networked Fires EngineerJohns Hopkins Applied Physics Laboratory (APL)

Radar Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

A4 Non-Kinetic Warfare Branch Chief EngineerJohns Hopkins Applied Physics Laboratory (APL)

Interoperability and Communications Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

Lead Firewall EngineerLeidos

Reverse Engineer / Cyber Capability EngineerJohns Hopkins Applied Physics Laboratory (APL)

NOC Support EngineerInmarsat Government, Inc

Senior Engineer / Analyst for ISRT & BMC2 ApplicationsJohns Hopkins Applied Physics Laboratory (APL)

Splunk ArchitectCompany Confidential

SOFTWARE DEVELOPER EXPERT CLOUD INFRASTRUCTURE ENGINEER (AZURE)Aroha Technologies

Cloud Engineer Professional - HybridGenesis10

Senior Network Security Engineer (SDN / Multi-Enclave)Peraton

Senior Network Security Engineer, FederalRedSeal

Network Security Engineer IIIInvictus International Consulting, LLC

Network Security Engineer IVInvictus International Consulting, LLC

Principal Network Security EngineerAlarm.com

Senior VMware Network & Security Engineer (vDefend / NSX)ROI Agency

Network Security EngineerBDR Solutions LLC

Network Security EngineerDiverse Linx

Trusted Internet Connections 3.0 Cloud Network Security ArchitectTOMORROW HIRE

Telecom / Voice EngineerTrigyn Technologies Inc

Network Security Operations ManagerSkyePoint Decisions

Sr. Network Security EngineerValidaTek

Network Security EngineerNoblis

Network Engineer - Active Security ClearanceCadre

Senior Network engineer Requires Current US Security clearanceArgo Cyber Systems

Incident Manager Level III (Computer Network Defense) Requires US Security clearanceArgo Cyber Systems

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