10,129 Results for

Network Security Jobs in Springfield, VA

Jobs

Expert Network Engineer Emergent Technologies

Reston, Virginia

With our comprehensive technological solutions, we aim to share our expertise to help these entities develop a strategic plan, ensure a seamless implementation process, and produce accurate and efficient results. POS - 225 Emergent Technologies Inc. is seeking an experienced Expert Network Engineer to join our mission-focused team supporting a key government program.

30+ days ago

Network Engineer-Architect Antero Technology Services

Annapolis Junction, Maryland

Working knowledge of network technologies and protocols including Trunking, VTP, Layer 2 & 3 Port-channels, Spanning-Tree, Port-Security, HSRP, EIGRP, OSPF, QoS, BGP, and MPLS, BFD. Antero Technology Services is looking for a proactive person with a TS/SCI clearance to join our Enterprise Infrastructure Engineering Team.

30+ days ago

Senior Network Operations Engineer – Tier 3 CACI

Washington Dc, Virginia

$90,300–$189,600 / year

Job Title: Senior Network Operations Engineer – Tier 3Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 25%Type of Travel: Continental US* * * The Opportunity: Working closely with the NOC, NetOps Tier 2, and fellow NetOps Tier 3 technicians, you will execute break/fix activities, implement configuration changes, and diagnose routing and switching issues across the network environment.

3 days ago

Network Engineer – Cloud & Secure Infrastructure M2 Solutions

Chantilly, VA

Design and deploy virtual networks and subnets in commercial cloud platforms including Amazon Web Services , Microsoft Azure , and Google Cloud Platform . This role focuses on building hardened network architectures in commercial cloud platforms and supporting mission-critical connectivity in secure environments.

30+ days ago

Systems Engineer - SD WAN Network PMO Rite-Solutions Inc

Chantilly, VA

Plan and facilitate Resource Authority (RA) Forums, Technical Authority (TA) Forums, Network Requirements Team (NRT) meetings, Engineer Working Group (EWG) meetings, Joint Engineering Team (JET) meetings, Technical Expert Meetings (TEMs), and other ad hoc meetings/summits/conferences as appropriate. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.

30+ days ago

Systems Engineer (Core Systems/Network) | Senior Amatriot Group, LLC

Chantilly, VA

$100,000–$185,000 / year
Quick Apply

This role supports the full infrastructure lifecycle, including automated configuration, continuous patching, disaster recovery, and system accreditation through the Risk Management Framework (RMF) and Authorization to Operate (ATO) processes. The Senior Systems Engineer (Core Systems/Network) designs, deploys, and maintains enterprise hybrid infrastructure, network environments, and core storage systems.

1 day ago

Information Systems Security Engineer (ISSE) TekSynap Corp

Fort Belvoir, VA

$145,000–$170,000 / year

Deploy, configure, and execute automated vulnerability scanners-including ACAS/Tenable Nessus and the SCAP Compliance Checker (SCC)-to discover flaws and engineer technical, code-level, or system-level mitigations. Configure and maintain secure log transport pipelines (Syslog-ng, Logstash), design SIEM/SOAR ingestion schemas, parsing engines, and correlation alert logics, and integrate NetFlow, Zeek, and NDR telemetry feeds.

22 days ago

Quantitative Systems Engineer (Software & Networks) Johns Hopkins Applied Physics Laboratory

Laurel, Maryland

Full time

We are seeking a Quantitative Systems Engineer (Software & Network Design Engineer / Analyst) to help us evaluate and realize resilient, survivable architectures for nationally vital strategic deterrence capabilities. Your primary responsibility will be to perform rigorous technical design analysis of complex, software-intensive architectures, evaluating system-level data flows, protocol latency, failover mechanisms, and network survivability.

22 days ago

Cloud Network Engineer, Mid Booz Allen Hamilton

Annapolis Junction, Maryland

$69,400–$158,000 / year

Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. In this role, you’ll analyze complex local and wide area network systems, including planning, designing, evaluating, and configuring operating systems and protocol suites for virtualized and containerized systems.

10 days ago

PKI Network Engineer Booz Allen Hamilton Inc

$69,400–$158,000 / year

Experience working with MS Windows Server 2019 or later, PowerShell scripting, Virtual Machine Infrastructure (VMWare), storage area network (SAN), CISCO and Juniper network switching, load balancing, Hardware Security Module (HSM), Active Directory, Axway, Online Certificate Status Protocol (OCSP), UNIX, or Linux operating systems and server hardware. As a PKI Network Engineer on our project, you'll perform PKI Tier II troubleshooting on Marine Corps systems relating to PKI-specific incidents, including cryptographic logon, certificate validation, and domain controller certificates.

30+ days ago

Network Engineer Lead Accenture Plc

Arlington, VA

They can translate business objectives into practical technology strategies, lead complex transformation initiatives, simplify operational challenges through automation, and deliver secure, scalable, and future-ready networking solutions that enable innovation across the enterprise. Combining unmatched experience and specialized skills across more than 40 industries, we offer Strategy and, Interactive, Technology, and Operations services, all powered by the world's largest network of Advanced Technology and Intelligent Operations centers.

30+ days ago

Senior Network Engineer Accenture Plc

Arlington, VA

They can translate business objectives into practical technology strategies, lead complex transformation initiatives, simplify operational challenges through automation, and deliver secure, scalable, and future-ready networking solutions that enable innovation across the enterprise. We bring together the talent of our approximately 814,000 people with proprietary assets and platforms, deep process and industry expertise, and leading ecosystem relationships to deliver end-to-end solutions and measurable outcomes at scale.

25 days ago

Long Range Networked Fires Engineer Johns Hopkins Applied Physics Laboratory

Laurel, Maryland

Full time

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.

28 days ago

Senior Network Engineer - TS/SCI w CI Poly Modern Government Solutions

McLean, VA

Full time
Quick Apply

RESPONSIBILITIES (not limited to):Design, configure, troubleshoot, and maintain complex Layer 2 and Layer 3 data center architectures using Border Gateway Protocol (BGP), Equal Cost Multipath (ECMP), Virtual Extensible LAN (VXLAN), Multi-Chassis Link Aggregation Group (MCLAG), Spine-Leaf topologies, RDMA over Converged Ethernet (RoCEv2), and related technologiesCollaborate with cross-functional teams to translate business requirements into effective network solutionsMentor and guide junior team members in their professional growthDocument network infrastructure designs and configurations for knowledge sharing REQUIRED SKILLS AND QUALIFICATIONSMust possess an active DoD TS/SCI with CI Polygraph security clearance. TITLE: Senior Network Engineer, AI Data Center InfrastructureLOCATION: McLean, VACLEARANCE REQUIRED: Active TS/SCI with CI PolygraphEMPLOYMENT TYPE: Full-time, OnsiteTRAVEL: Up to 20% POSITION SUMMARYModern Government Solutions (MGS) is seeking a Senior Network Engineer to drive the performance, stability, and scalability of next-generation data center networks supporting Artificial Intelligence (AI) workloads.

20 days ago

SolarWinds Network Engineer BAE Systems Plc

Washington, DC

$115,779–$196,825 / year

Will perform in rack, cabinet, cable support system, and general telecommunications equipment mounting and terminate coaxial, Cat-6 UTP, multi-mode fiber, single mode fiber, and any other connection required in the support of telecommunications systems. Will troubleshoot end connectivity to distant end and remote locations and attached network devices and monitor Local and Wide Area Networks to include transport links, layer 1 and layer 2 network devices.

30+ days ago

Network Effects Engineer Johns Hopkins Applied Physics Laboratory

Laurel, Maryland

Full time

Design, build, and orchestrate threat-representative network topologies and software-defined comms systems incorporating Anti-Detection and Anti-Censorship concepts to serve as test ranges tailored for unique mission profiles. Develop, evaluate, and qualify an evolving portfolio of network and comms enabled capabilities, determining their real-world operational impact, signature footprint, and clandestine survivability.

30+ days ago

Network Engineer (SME) Leidos

McLean, Virginia

Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. This individual performs risk assessment, risk mitigation analysis, vendor trade studies, and appropriate documentation to ensure network services are available according to established Service Level Agreements (SLA).

14 days ago

Principal Network Engineer Leidos

McLean, Virginia

Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. October 14, 2026 For 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.

14 days ago

Network Engineer - F5 Load Balancing Infosys Ltd

Reston, VA

$81,447–$125,000 / year

Technology|Network-Load Balancer|F5 Technology|Network-Firewall_and_Media|Cisco-Firewall_and_Media Technology|Cloud Platform|Terraform Technology|Network-Firewall_and_Media|Palo Alto Hartford, CT, Plano, TX, Raleigh, NC, Reston, VA, Richardson, TX, Tempe, AZUSAArizona, Connecticut, North Carolina, Texas, VirginiaITL USA Infosys Limited Infrastructure Consultant 2Consultant - Infrastructure Management - US2253214No5439239810.00.010/23/2026Network Engineer - F5 Load Balancing. You''ll have the opportunity to work with cutting-edge AI technologies, collaborate with industry experts, and contribute to transformative projects across banking, wealth management, and insurance sectors.

4 days ago

Infrastructure/Network Lead CACI International Inc

Sterling, VA

$120,800–$265,800 / year

Pay 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. The Opportunity: CACI's National Mission Systems (NMS) group is seeking a highly motivated Infrastructure Lead to support mission‑critical environments by ensuring secure, reliable, and scalable infrastructure across cloud and bare‑metal systems.

9 days ago

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Network Security Jobs in Springfield, VA

Expert Network Engineer Emergent Technologies

Network Engineer-Architect Antero Technology Services

Senior Network Operations Engineer – Tier 3 CACI

Network Engineer – Cloud & Secure Infrastructure M2 Solutions

Systems Engineer - SD WAN Network PMO Rite-Solutions Inc

Systems Engineer (Core Systems/Network) | Senior Amatriot Group, LLC

Information Systems Security Engineer (ISSE) TekSynap Corp

Quantitative Systems Engineer (Software & Networks) Johns Hopkins Applied Physics Laboratory

Cloud Network Engineer, Mid Booz Allen Hamilton

PKI Network Engineer Booz Allen Hamilton Inc

Network Engineer Lead Accenture Plc

Senior Network Engineer Accenture Plc

Long Range Networked Fires Engineer Johns Hopkins Applied Physics Laboratory

Senior Network Engineer - TS/SCI w CI Poly Modern Government Solutions

SolarWinds Network Engineer BAE Systems Plc

Network Effects Engineer Johns Hopkins Applied Physics Laboratory

Network Engineer (SME) Leidos

Principal Network Engineer Leidos

Network Engineer - F5 Load Balancing Infosys Ltd

Infrastructure/Network Lead CACI International Inc

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