Network Security Jobs in Washington, DC

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Desktop Management Job Training Program

Year Up United

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,

COMSEC Engineer

Leidos

Fort Belvoir, Virginia, USA

Full-time

Leidos is seeking a COMSEC Engineer in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations The COMSEC Engineer will provide full

Senior Cisco Network Engineer

Elite Technical

Manassas, Virginia, USA

Full-time

Senior Cisco Network EngineerOur client, an IT Services organization supporting commercial and federal clients, is seeking an experienced and highly skilled Senior Network Engineer. The successful candidate will be responsible for designing, implementing, managing, and troubleshooting complex network environments, including on-premises infrastructure and cloud-based networks. This role requires expertise with Palo Alto Firewalls, Cisco Switches, Cisco Identity Services Engine (ISE), Cisco Secure

COMSEC Engineer

Leidos

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a COMSEC Engineer in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations The COMSEC Engineer will p

COMSEC Engineer (Subject Matter Expert)

Leidos

Fort Belvoir, Virginia, USA

Full-time

Leidos is seeking a COMSEC Engineer SME in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The COMSEC Engineer SME will prov

Senior COMSEC Engineer

Leidos

Fort Belvoir, Virginia, USA

Full-time

Leidos is seeking a Senior COMSEC Engineer in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations The COMSEC Engineer SME will pr

Security Infrastructure Engineer

Leidos

Alexandria, Virginia, USA

Full-time

As a Security Engineer on our team, you will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts in support of 24x7x365 mission-critical operations. This position is 100% on-site. Primary Responsibilities: Work with government counterparts, contractors, and internal team members to deploy and manage policies, rules, and signature sets on cybersecurity capabilitiesManage high-priority tasks and outagesMaintain, develop, and improve Security Infrastru

SkillBridge Cybersecurity Intern (Transitioning Military)

American Systems Corporation

Chantilly, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a SkillBridge Cybersecurity Intern with AMERICAN SYSTEMS you will have the opportunity to do the following: Conduct periodic system assessments to ensure compliance with system authorization.Review & maintain

IT Infrastructure Engineer

Akkodis

Columbia, Maryland, USA

Full-time

Seeking a qualified, senior network infrastructure engineer for a contract to hire position with our client in Columbia, MD. This position is hybrid, 3 days per week onsite. HIGHLY DESIRED: Aruba SD-WAN SilverPeak / EdgeConnect and Ansible for automating deployments using Python/Git. Profile: -3 months contract to hire -3 days onsite -One brief tech screen (30 mins), one video and one onsite interview -Pay rate range: $65-70hr w2 Role: Primary support as IT Network Infrastructure engineer in m

Systems Engineer

Zachary Piper Solutions, LLC

Columbia, Maryland, USA

Full-time

Piper Enterprise Solutions is seeking a hybrid Systems Engineer to join an innovative and exciting healthcare company in Columbia, Maryland. Responsibilities of the Systems Engineer- Design, implement, and maintain hybrid IT infrastructure that integrates on-premises and cloud environments. Configure and manage DNS servers to ensure reliable domain name resolution. Implement and manage Group Policy Objects (GPOs) to enforce security settings and configurations across the network. Configure an

Senior Cybersecurity Engineer

Booz Allen Hamilton

Chantilly, Virginia, USA

Full-time

Job Number: R0219698 Cybersecurity Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in network and system security to safeguard our nation? As a cybersecurity engineer, you can identify, implement, and operate the systems, tools, and approaches needed to assess vulnerabilities, repel threats, and improve enterprise security. We need your experience to lead the development and implementation of security solutions that protect critical national securit

COMSEC Engineer (Subject Matter Expert)

Leidos

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a COMSEC Engineer SME in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The COMSEC Engineer S

Senior COMSEC Engineer

Leidos

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Senior COMSEC Engineer in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations The COMSEC Engineer

Sr. Cisco Security Engineer

ConsultNet, LLC

Vienna, Virginia, USA

Full-time

Sr. Cisco Security Engineer Maryland 6-month contract-to-hire $75 to $80 per hour with a conversion salary of $160K to $165K annually Job Description: Sr. Cisco Security Engineer We are seeking a skilled and experienced Senior Cisco Security Engineer to join our security team. As a critical member of our organization, you will be responsible for designing, implementing, and managing advanced Cisco security solutions to protect our infrastructure and data. The ideal candidate will have a strong

Expert Security Engineer

Leidos

Reston, Virginia, USA

Full-time

Leidos is looking for a Cyber Security/Computer and Network Defense Subject Matter Expert (SME), concentrating on overall technical and operational effectiveness of capabilities in coordination with the COTR and Sponsor Staff management. Cyber Security SME for the Sponsor is responsible for providing recommendations on continuous improvement of the processes and architectures supporting the overall Cyber Defense operational activities including, but not limited to: analysis, incident handling an

Linux Systems Administrator (Tier I)

American Systems Corporation

Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is a 100% employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a Tier I Linux Systems Administrator with AMERICAN SYSTEMS you will have the opportunity to do the following: Perform general Systems Administrator functions supporting all HPC users with courteous respons

Engineering Apprentice - Test Engineering

Lockheed Martin Corporation

Manassas, Virginia, USA

Full-time

Standard Job Description For use only with approval from corporate compensation or RMS Compensation. An employee in the engineering apprenticeship program will perform a variety of duties in the sustainment of existing products to include: assisting with engineering documentation, technical data maintenance and modification, training material maintenance, and mechanical, electrical maintenance to include grooming, upgrade, and modification of program products and test platforms. This employee w

Junior Network Engineer

Akima, LLC

Alexandria, Virginia, USA

Full-time

Tuvli is seeking a highly motivated, self-directed and experienced individual to fill the role of a Junior Network Engineer for our existing government client in the Franconia/Springfield, VA area. Apply now! Responsibilities Assist with the installation, configuration, and maintenance of local area network (LAN), wide area network (WAN), data communications network, operating systems, and physical and virtual servers.Ensure the stable operation and efficient performance of data networks, monit

Cleared Senior Network Engineer

Motion Recruitment Partners, LLC

Arlington, Virginia, USA

Full-time

Cleared Senior Network Engineer This company is seeking a highly skilled Network Engineer to design, manage, and optimize LAN/WAN infrastructure with a strong emphasis on Azure networking. This role involves handling Tier 3 escalations, ensuring network performance and security, and collaborating with cross-functional teams. The ideal candidate has deep expertise in network protocols, security technologies, and cloud networking, with strong problem-solving skills and experience in high-security

Cybersecurity Engineer

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2505484 Location: WASHINGTON, DC, US Date Posted: 2025-05-08 Category: Information Technology Subcategory: Database Admin 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 seeking a Cybersecurity Engineer to support a mission-critical U.S. government agency in the National Capital Region. This hybrid position involves managing and modernizing ent