Network security Jobs in District of Columbia

101 - 120 of 1,029 Jobs

Continuous Monitoring Engineer (ConMon)Job Title - Continuous Monitoring Engineer (ConMon)

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

Description Leidos is seeking multiple ConMon Engineers to be responsible for overseeing and monitoring all authorized IT systems (re-authorization and new systems) throughout their lifecycle for security posture impact. These positions can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. These positions are primarily on-site, but some partial telework may be available at the discretion of our customer and program management. Some travel may be re

Senior Systems EngineerJob Title - Senior Systems Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506843 Location: WASHINGTON, DC, US Date Posted: 2025-06-18 Category: Information Technology Subcategory: IT Systems 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 seeking a Senior Systems Engineer to support a critical U.S. government agency in the National Capital Region. This SME-level role is ideal for an experienced systems engi

Digital Network Exploitation Analyst 1Job Title - Digital Network Exploitation Analyst 1

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

We're searching fortalented individuals who provide intelligence, engineering, and mission management expertise for the Government.This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, thencome join us! Job Description: We are looking for a Digital Network Exploitation Analyst (DNEA) to evaluate target opportunities using all-source data, unde

Industrial Cybersecurity Analyst - 1898 & Co. (Washington DC)Job Title - Industrial Cybersecurity Analyst - 1898 & Co. (Washington DC)

Burns & McDonnellCompany Name - Burns & McDonnell

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Washington, District of Columbia, USA

Full-time

Description The Industrial Cybersecurity Analyst will assist with projects addressing Information Technology (IT) and Industrial Control System security. The 1898 & Co. Security & Risk Consulting practice is a premier OT/ICS/SCADA cybersecurity consulting practice whose mission is to serve humanity by improving the safety, security, and reliability of the world's critical infrastructure - improving risk management through resiliency, situational awareness, and preparedness. The Industrial Cybers

SOAR EngineerJob Title - SOAR Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Arlington, Virginia, USA

Full-time

Job Number: R0220125 SOAR Engineer Key Role: Display a strong background in security operations, threat detection, and security engineering. Be responsible for key contributions in developing Threat Defense Solutions, focusing on detection, automation, and development of artifi cia l intelligence ( AI ) capabilities which enable the SOC to achieve measurable growth and maturity. Work with in-house teams to identify the right mix of tools, techniques, and procedures to translate your customer's

Network Engineer - Expert Level - Team Lead (ON SITE, ROCKVILLE MD)Job Title - Network Engineer - Expert Level - Team Lead (ON SITE, ROCKVILLE MD)

General DynamicsCompany Name - General Dynamics

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Rockville, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Network Engineering Job Qualifications: Skills: Cisco, Firewalls, Palo Alto, Palo Alto Networks Next Generation Firewalls (NGFW), Palo Alto Networks Panorama Certifications: None Experience: 15 + years of related experience ship Required: No Job Description: Transform technology into opportunity as a Network Engine

Network and AV Cabling SupportJob Title - Network and AV Cabling Support

SAICCompany Name - SAIC

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Adelphi, Maryland, USA

Full-time

Job ID: 2507149 Location: ADELPHI, MD, US Date Posted: 2025-07-01 Category: Information Technology Subcategory: Audio Visual Tech Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Network and AV Cabling Support Specialist to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of E

Technical Services ManagerJob Title - Technical Services Manager

Electronic Consulting Services, Inc (ECS Federal)Company Name - Electronic Consulting Services, Inc (ECS Federal)

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Arlington, Virginia, USA

Full-time

Job Description ECS is seeking a Technical Services Manager to work in our Arlington, VA office. Please Note: This position is contingent upon contract award. The Technical Services Manager is responsible for the oversight, management, and optimization of all technology infrastructure services supporting a premier law enforcement agency. This leader ensures the reliability, performance, and security of the agency's cloud and on-premises infrastructure, including servers, networks, databases,

Secure Flight Lead - AJJob Title - Secure Flight Lead - AJ

Maximus, Inc.Company Name - Maximus, Inc.

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Maryland, USA

Full-time

Description & Requirements Maximus is seeking an experienced Secure Flight Lead to support a Homeland Security customer. This role requires an individual with extensive hands-on technical expertise and leadership capabilities to oversee a diverse team managing critical infrastructure and migration efforts. The Secure Flight Lead will be responsible for ensuring the security, reliability, and efficiency of systems that support national security missions. This is an on-site position that requires

Systems EngineerJob Title - Systems Engineer

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

Leidos is seeking a Systems Engineer who will support a, pilot project on a multi-year contract providing Systems Development, Integration and Deployment support to Department of Defense. The work that's being done on this Leidos-led, prime contract is extremely important and offers its team members the opportunity to work autonomously and explore new technologies. The Systems Engineer will support a high priority, high visibility development, integration and implementation project in support o

Senior Network Operations EngineerJob Title - Senior Network Operations Engineer

RobloxCompany Name - Roblox

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Ashburn, Virginia, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op

Linux Systems Administrator (Tier I)Job Title - Linux Systems Administrator (Tier I)

American Systems CorporationCompany Name - American Systems Corporation

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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 This job requisition is for potential upcoming work at AMERICAN SYSTEMS and does not represent a current opening. Qualified candidates will be contacted when the work becomes available. As a Tier I Linux S

Network EngineerJob Title - Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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McLean, Virginia, USA

Full-time

Job Number: R0222427 Network Engineer The Opportunity: We are seeking a dedicated mid-level Network Engineer to support the design, deployment, and maintenance of enterprise and tactical networks for the Department of Defense ( DoD ) . This role is an opportunity to apply your technical expertise in wireless, SD-WAN, and cybersecurity to build secure, resilient infrastructure that directly enhances the quality of life for military personnel and their families. You'll work on meaningful projects

Network AdministratorJob Title - Network Administrator

ALTA IT ServicesCompany Name - ALTA IT Services

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Fair Lakes, Virginia, USA

Full-time

Job Title: Network Administrator Location: Fair Lakes, VA Type: Contract, W-2 Secret clearance or clearable to Secret Compensation: Negotiable based on Experience, Education and Certifications Contractor Work Model: Hybrid Responsibilities Network Administrator is responsible for operating, maintaining, and troubleshooting network connectivity and infrastructure on all networking equipment. The candidate will support the operation and maintenance of multiple networks across different classificat

CORE/WAN Network Designer- Tier 3Job Title - CORE/WAN Network Designer- Tier 3

CACI International, Inc.Company Name - CACI International, Inc.

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Sterling, Virginia, USA

Full-time

CORE/WAN Network Designer- Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: Team CACI has an exciting and challenging opportunity available for a Network Designer supporting an Intelligence Community customer's CORE/wide-area (WAN), networks across multiple security domains. This position encompasses the design, implement

Senior Cybersecurity EngineerJob Title - Senior Cybersecurity Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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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

System Vulnerability Analyst 2Job Title - System Vulnerability Analyst 2

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

Are you VIGILANT about your career? RealmOne definitely is! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this jou

Cybersecurity EngineerJob Title - Cybersecurity Engineer

SAICCompany Name - SAIC

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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

Virtualization EngineerJob Title - Virtualization Engineer

QinetiQ USCompany Name - QinetiQ US

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Reston, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Enterprise Systems EngineerJob Title - Enterprise Systems Engineer

ManTechCompany Name - ManTech

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McLean, Virginia, USA

Full-time

ManTech is seeking a motivated, career and customer-oriented Enterprise Systems Engineer to join our team in McLean, VA. Responsibilities include but are not limited to:Develop complex, enterprise solutions across the appropriate engineering environments to meet business and mission requirements or enhance performancePlan, conduct, and oversee the technical aspects of large, complex projects; coordinate the efforts of technical support staff in the performance of assigned projectsPerform full-s