4,041 Results for

Network Security Jobs in Ellicott City, MD

Jobs

Network Engineer Swift

Tysons Corner, Virginia

Responsibilities: Manage and execute network installation and engineering tasks, including configuring and maintaining LAN and WAN equipment such as firewalls, routers, switches, servers, workstations, storage devices, A/V equipment, and equipment racks. Conduct expert-level analysis of voice, video, and data communications networks, including planning, designing, evaluating, selecting, and upgrading operating systems and protocol suites.

3 days ago

Network Engineer Celestial Innovations Group

Washington, District of Columbia

Work-Life Balance : We prioritize the well-being of our team members, ensuring a healthy work-life balance through flexible working conditions, continuous learning opportunities, and a supportive work environment. Overview The Network Engineer provides mid-level support for enterprise network operations, infrastructure maintenance, and troubleshooting activities critical to government users and systems.

30+ days ago

Network Engineer (All Levels) Adaptic

Annapolis Junction, MD

Whether you're early in your career or leading network architecture and engineering efforts, we're looking for Network Engineers at all levels who enjoy solving complex problems and keeping systems running at peak performance. You'll support and enhance network infrastructure across design, implementation, and operations—ensuring secure, reliable connectivity in high-stakes environments.

30+ days ago

Network Engineer Chenega Corporation

Washington, DC

Chenega Professional & Technical Services, LLC, a Chenega Professional Services' company, is looking for a Network Engineer II who provides operational support, administration, monitoring, and troubleshooting for enterprise network infrastructure supporting the Department of the Interior (DOI) Office of the Chief Information Officer (OCIO). This role is responsible for maintaining secure, reliable, and high-performing Local Area Networks (LANs), Wide Area Networks (WANs), VPN connectivity, network security devices, and supporting infrastructure across geographically dispersed data centers and customer environments.

20 days ago

Senior Network Engineer Pyramid, Inc

McLean, VA

$70–$75 / hour
Full time

By applying to our jobs you agree to receive calls, AI-generated calls, text messages, or emails from Pyramid Consulting, Inc. and its affiliates, and contracted partners. At least 4 years of experience with SD-WAN technologies (Versa, Aryaka, Cisco, Silver Peak, Juniper Networks, Fortinet, etc.) .

30+ days ago

Network Engineer SME Trace3

Linthicum Heights, MD

$223,000–$243,000 / year

The role combines strategic leadership with hands-on expertise to approve designs, develop target-state architectures and migration plans, resolve complex issues, and serve as the final technical escalation point. The Principal Network Subject Matter Expert (SME) will serve as the technical authority for enterprise network architecture, modernization, resiliency, security, and performance on a high-priority federal infrastructure program.

15 days ago

Network Engineer CACI

Washington Dc, District of Columbia

$75,200–$158,100 / 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. Demonstrated experience with cloud networking in AWS and/or Azure environments including VPC/VNet design, transit gateways, Direct Connect/ExpressRoute, and cloud-native networking services.

30+ days ago

Mid-Sr. Network Engineer TS/SCI Poly Leidos Holdings Inc

Annapolis Junction, MD

$92,300–$166,850 / year

We are using Behavior Driven Development (BDD) and test automation tools alongside a full suite of team collaboration tools in providing system engineering, development, test, integration and operational support for a program that is injecting new technology and adding advanced capabilities, while continuing to support an on-going mission and operational system. Job Summary: Leidos is looking for a Mid-Senior Level Network Engineer to join a highly performing agile team using the Scaled Agile Framework (SAFe) methodology to support a large, complex, fast-paced program.

30+ days ago

Senior Network Engineer Vervic Inc.

Washington, DC

Full time

Architect, engineer, maintain, and troubleshoot enterprise networks (multi-vendor but. associated with those layers: Route/switch, Firewalls, VPNs, SDN, and plenty more.

16 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.

7 days ago

Network Engineer, AI Infrastructure Starshield Space Exploration Technologies Corp

Washington, DC

$125,000–$160,000 / year

BASIC QUALIFICATIONS: Bachelor's degree in a technical or engineering discipline; OR 4+ years of professional networking experience deploying enterprise network solutions and/or cloud and web-scale networks in lieu of a degree. The Starshield team is building highly reliable in-space mesh networks, designing secure systems to guarantee access to space, designing next-gen communication and sensing software, and more.

30+ days ago

Senior Hybrid Network Engineer ANDURIL INDUSTRIES

Reston, VA

$191,000–$253,000 / year

You'll ensure on-prem nodes mirror cloud architecture at small scale, keep operating through Degraded, Disconnected, Intermittent, and Limited (DDIL) conditions, and reconcile cleanly with the hub on reconnect - owning everything from identity federation and degraded auth to data reconciliation, config-drift automation, and DDIL reliability testing. Identity federation & degraded auth - extend centralized Keycloak/LDAP identity to disconnected edge; cached-credential authentication when the hub is unreachable; propagate RBAC-by-operation/group to spokes.

30+ days ago

Digital Network Exploitation Analyst (DNEA) Cymertek

Annapolis Junction, Maryland

Cyber Network Analyst, Digital Forensics Analyst, Network Exploitation Specialist, Cyber Operations Analyst, Signals Intelligence Analyst, Threat Intelligence Analyst, Network Vulnerability Analyst, Cybersecurity Engineer, Incident Response Analyst, Intrusion Detection Analyst, etc. Cybersecurity, Computer Science, Information Technology, Data Analytics, Network Engineering, Information Systems, Software Engineering, Electrical Engineering, Intelligence Studies, Cyber Operations, etc.

30+ days ago

Senior Network Enginer VetRamp

Silver Spring, Maryland

This role blends steady-state operational ownership with forward-leaning modernization efforts, with Cisco ISE ownership at the center of the access-control strategy : Own Cisco Identity Services Engine (ISE) policy architecture and operations, including 802.1X, MAB, profiling, posture, and RADIUS authentication. The Senior Network Engineer owns ISE policy architecture, authentication flows, and troubleshooting in production, supporting Zero-Trust-aligned access control across campus, data center, VPN, and cloud-connected environments.

30+ days ago

Network Engineer (SME) Emergent Technologies

Reston, Virginia

Emergent Technologies Inc., a veteran-owned IT and engineering solutions provider based in Herndon, VA, is seeking an experienced Senior Network Engineer or Network Subject Matter Expert (SME) to lead enterprise-scale networking initiatives. If you're a senior-level network expert seeking a leadership role in a dynamic, on-site setting — and want to make a lasting impact — we invite you to apply and grow your career with Emergent Technologies Inc.

30+ days ago

Network Engineer III Trace3

Linthicum Heights, MD

$165,000–$175,000 / year

This role will be deployed to customer locations working on specific Federal programs or Commercial contracts, supporting specific customer requirements or mission domains throughout the detailed design, development integration, test and deployment of critical IT systems. Working with a designated tech writer in developing documentation for existing networks and maintaining documentation for all new networks and changes.

30+ days ago

Network Engineer Mantis Security Corporation

Reston, VA

Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. Support the engineering, implementation, sustainment, and troubleshooting of secure enterprise and mission networks across Cisco, Juniper, HP/Aruba, and Palo Alto environments.

30+ days ago

Network System Administrator Cymertek

Annapolis Junction, Maryland

Network Engineer, Systems Administrator, IT Administrator, Network Security Administrator, Infrastructure Administrator, Network Operations Specialist, Cloud Systems Administrator, Network Analyst, Systems Engineer, IT Support Specialist, etc. Computer Science, Information Technology, Network Engineering, Cybersecurity, Systems Administration, Information Systems, Electrical Engineering, Telecommunications, Data Communications, Software Engineering, etc.

30+ days ago

Network Administrator - Morning Shift Leidos Holdings Inc

Arlington, VA

$73,450–$132,775 / year

This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. 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.

24 days ago

Network Engineer II Prosync

Annapolis Junction, MD

Quick Apply

A Bachelor’s degree in a Qualified Engineering Field or a related discipline from an accredited college or university plus eight (8) years of experience in network engineering (OR) An Associate's Degree, a High School Diploma or GED plus twelve (12) years of general system engineering experience (OR) A Master’s degree or higher in a Qualified Engineering Field or a related discipline from an accredited college or university plus six (6) years of systems engineering experience. The role involves configuring network systems in multiple locations, supporting fielding efforts both in person and remotely, and providing ongoing sustainment for Cisco, Arista, firewall, and crypto devices.

30 days ago

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Network Security Jobs in Ellicott City, MD

Network Engineer Swift

Network Engineer Celestial Innovations Group

Network Engineer (All Levels) Adaptic

Network Engineer Chenega Corporation

Senior Network Engineer Pyramid, Inc

Network Engineer SME Trace3

Network Engineer CACI

Mid-Sr. Network Engineer TS/SCI Poly Leidos Holdings Inc

Senior Network Engineer Vervic Inc.

Senior Network Operations Engineer – Tier 3 CACI

Network Engineer, AI Infrastructure Starshield Space Exploration Technologies Corp

Senior Hybrid Network Engineer ANDURIL INDUSTRIES

Digital Network Exploitation Analyst (DNEA) Cymertek

Senior Network Enginer VetRamp

Network Engineer (SME) Emergent Technologies

Network Engineer III Trace3

Network Engineer Mantis Security Corporation

Network System Administrator Cymertek

Network Administrator - Morning Shift Leidos Holdings Inc

Network Engineer II Prosync

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