Network Security Jobs in District of Columbia

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61 - 80 of 1,041 Jobs

CyberSecurity Engineering (Junior - Principal)

Clarity Innovations

•

Fort Meade, Maryland, USA

Full-time

Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Our mission-first software and data engineering platform modernizes data operations, utilizing advanced workflows, CI/CD, and secure DevSecOps practices. We focus on challenges in Inf
Posted 21 days ago | Updated 10 hours ago

Senior Network Engineer

SAIC

•

Washington, District of Columbia, USA

Full-time

Job ID: 2506799 Location: WASHINGTON, DC, US Date Posted: 2025-06-24 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is looking for a Senior Network Engineer. Job Description: Install, configure, and maintain scalable network devices such as Cisco routers, switches, and firewalls. Design and i
Posted 35 days ago | Updated 11 hours ago

Network Administrator Senior _TS/SCI with Polygraph

General Dynamics

•

Springfield, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: Network Configurations, Network Performance, Network Upgrades Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Network Administrator Seni
Posted 24 days ago | Updated 1 hour ago

Cybersecurity Networking Engineer- Hybrid Manassas, VA

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

Cybersecurity Networking Engineer We are seeking a highly skilled Cybersecurity Engineer to support the development and implementation of secure systems within government-regulated environments. This role requires a strong background in security architecture, risk assessment, threat analysis, and compliance, with a focus on DoD cybersecurity frameworks. The ideal candidate is detail-oriented, proactive, and experienced in managing both technical and procedural aspects of cybersecurity programs.
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Posted 43 days ago | Updated 9 hours ago

Technical Collections Engineer/Analyst_Jr. Level

Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 25 days ago | Updated 1 hour ago

Business Foundations Job Training Program

Year Up United

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Washington, District of Columbia, USA

Full-time

Year Up United is a one-year or less, intensive job training program that provides young adults with in-classroom skill development, access to internships and/or job placement services, and personalized coaching and mentorship. Year Up United participants also receive an educational stipend. The program combines technical and professional training with access to internships and job placement support through our industry-leading talent placement firm YUPRO Placement. If you receive an internship,
Posted 60+ days ago | Updated 5 hours ago

Cyber Defense Incident Responder - Senior

Electronic Consulting Services, Inc (ECS Federal)

•

Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Cyber Defense Incident Responder - Senior to work in our Washington, DC office. Please Note: This position is contingent upon additional funding. Lead, facilitate and advise via the Incident Response lifecycle across the Bureau of the Census within the Department of Commerce against 24/7 threats/vulnerabilities/events. Provide leadership w/ security and cybersecurity intelligence, posture/capabilities status, ways-forward, trend analysis and personnel readine
Posted 14 days ago | Updated 10 hours ago

Lead Security Engineer

Eliassen Group

•

Washington, District of Columbia, USA

Contract

Description: We are looking for a Lead Security Engineer to support a F500 client in the Washington, DC metro area. Location: Washington, DC Pay Rate: $55-$65/hr. W2 This is a contract-to-hire opportunity. Applicants must be willing and able to work on a W2 basis and convert to FTE following contract duration. For our W2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Responsibilities: Key Techni
Posted 34 days ago | Updated 1 hour ago

Network Engineer

Harmonia Holdings Group, LLC.

•

Washington, District of Columbia, USA

Full-time

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Position: Network Engineer Location: Washington DC - Fully Onsite Clearance: Top Secret with SCI Harmonia is currently looking for a smart and self-motivated Network Engineer who understands a wide range
Posted 60+ days ago | Updated 10 hours ago

Hybrid Network Administrator & Information Security Analyst

General Dynamics

•

Remote or Hayward, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: DISA STIG, Network Infrastructures, Splunk Enterprise Security Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Please take this opportunity to join one of GDIT's fastest long-standing growing programs! U
Posted 42 days ago | Updated 1 hour ago

Network Engineer

GovCIO

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Washington, District of Columbia, USA

Full-time

Overview GovCIO is currently hiring for a network engineer to support our client's contract needs. This position, located in Washington DC is a Hybrid Position and will be mostly remote work with some intermittent on-site work as needed. Responsibilities This role requires an experienced professional with a strong background in network engineering, proactive troubleshooting, and secure architecture support in high-demand, regulated environments. Maintain, manage, and support enterprise networ
Posted 2 days ago | Updated 10 hours ago

Linux Systems Administrator - TS/SCI POLY

Parsons Services Company

•

Centreville, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is seeking a mid-level Linux Systems Administrator. The candidate will suppo
Posted 2 days ago | Updated 1 hour ago

Cyber Software Engineer

Leidos

•

Columbia, Maryland, USA

Full-time

Who We Are: Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets. Job Description: The Leidos Offensive Cyber Operation (OCO) team of talented cyber software engineers are actively developing offensive cyber foundational tool kits for customers with mission critical requirements to detect, deny, degrade, disrupt and d
Posted 1 day ago | Updated 1 hour ago

Mid Software Engineer

Booz Allen Hamilton

•

Herndon, Virginia, USA

Full-time

Job Number: R0222733 Software Engineer, Mid The Opportunity: As a software engineer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to help create a system that will make a difference, we need you on our team. We're looking for an engineer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding. As a software e
Posted 6 days ago | Updated 2 hours ago

Cyber Analyst - PPSM

Leidos

•

Odenton, Maryland, USA

Full-time

Leidos is seeking a Ports, Protocols, and Services Management (PPSM) Engineer in Ft Meade, MD. Our PPSM team provides end-to-end data protection by ensuring communication protocols in the Internet protocol suite, data services, and associated ports used on DoD IS are registered, controlled, and regulated properly. This function supports enhancing situational awareness through many types of data services in support of net-centric operations and ensures DoD operations interoperability of joint app
Posted 11 days ago | Updated 1 hour ago

Sr. Security Engineer

Navigant Consulting

•

Washington, District of Columbia, USA

Full-time

Job Family: Systems Engineering Travel Required: None Clearance Required: Active Top Secret (TS) What You Will Do: Provides the expertise to conduct systems analysis, certification and accreditation, integration of secure products, security test and evaluation, and development of complex information systems to meet information system security requirements. A broad knowledge of the technical information systems security discipline is required. The candidate will be responsible for updating sy
Posted 27 days ago | Updated 1 hour ago

Network Engineer

Leidos

•

Lorton, Virginia, USA

Full-time

Description The Multi Domain Solutions Division at Leidos is looking for a Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center, managing multiple workstations and network hardware across multiple customer sites and the cloud. We are seeking a skilled Network Engineer to deploy, monitor, and maintain network systems that meet Department of Defense (DoD) specifications. In this role, you will implement secure network architectures, monitor and operate c
Posted 1 day ago | Updated 1 hour ago

Cybersecurity Firewall Engineer

Navy Federal Credit Union

•

Vienna, Virginia, USA

Full-time

Overview This position is for a Senior Network Security Engineer with a concentration on Nextgen Firewalls technologies (Palo Alto and Checkpoint). The right candidate will be a self-starter who can serve in a technical lead role, provide technical project management/oversight, and provide hands-on support at an SME level within areas of focus. Responsibilities Serve as a senior engineer working with application teams to properly shape firewall rules. Act as a liaison between the firewall team a
Posted 2 days ago | Updated moments ago

Principal Cyber Security Engineer

ManTech

•

Chantilly, Virginia, USA

Full-time

Mantech seeks a motivated and customer-focused Principal Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implement
Posted 25 days ago | Updated 13 hours ago

Cybersecurity Sales Engineer / Solutions Consultant 2 ( DMV )

PaloAlto Networks

•

Arlington, Virginia, USA

Full-time

Company Description Our Mission At Palo Alto Networks , everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. We have the vision of a world where each day is safer and more secure than the one before. These aren't easy goals to accomplish - but we're not here for easy. We're here for better. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who
Posted 48 days ago | Updated 1 hour ago