network security Jobs in district of columbia

421 - 440 of 1,050 Jobs

Master Network SpecialistJob Title - Master Network Specialist

Data Intelligence LLC.Company Name - Data Intelligence LLC.

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Quantico, Virginia, USA

Full-time

Data Intelligence LLC is seeking a highly skilled Master Network Specialist to support the United States Marine Corps in Quantico, VA. The ideal candidate will bring a strong leadership background, technical expertise in network administration, and a proven track record of managing senior IT technicians within complex, mission-critical environments. Responsibilities: Lead and oversee a team of senior IT technicians supporting local and wide-area network (LAN/WAN) operations within a secure milit

Information systems security engineerJob Title - Information systems security engineer

IO AssociatesCompany Name - IO Associates

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Alexandria, Virginia, USA

Full-time

Job Title: Information Systems Security Engineer (ISSE) Job Description: The Information Systems Security Engineer (ISSE) is responsible for designing, implementing, and maintaining secure information systems. This role ensures that cybersecurity requirements are integrated into system architecture and supports the full system development lifecycle. The ISSE collaborates with developers, system administrators, and security teams to apply security controls, conduct risk assessments, and ensure c

Security Control AssessorJob Title - Security Control Assessor

Apex SystemsCompany Name - Apex Systems

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Arlington, Virginia, USA

Full-time

Job#: 2082695 Job Description: Overview We are seeking a highly experienced Security Control Assessor (SCA) to provide expert-level cybersecurity assessment, compliance, and risk management support across the DoD SAP IT enterprise. This role is critical in guiding programs through the Risk Management Framework (RMF), validating security controls, and ensuring enterprise-wide adherence to DoD cybersecurity policies. The ideal candidate will bring deep technical knowledge, strong analytical skill

Information System Security Officer - TS/SCI w/PolyJob Title - Information System Security Officer - TS/SCI w/Poly

General DynamicsCompany Name - General Dynamics

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McLean, 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: Information Security Job Qualifications: Skills: Amazon Web Services (AWS), Plan of Action and Milestones (POA&M), Risk Management Framework Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal

Senior Security Analyst- Hybrid 3 days onsite Washington D.C.Job Title - Senior Security Analyst- Hybrid 3 days onsite Washington D.C.

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Arlington, Virginia, USA

Full-time

Senior Security Analyst This company is a growing cyber security consulting firm seeking a Senior Security Analyst to join a mission-driven team supporting a high-visibility enterprise security program. This role is ideal for an experienced analyst with a strong background in threat detection, incident response, and mentoring junior SOC personnel. The Senior Analyst will lead complex investigations, conduct threat hunting and forensic analysis, and help refine SOC procedures and detection strate

Personnel Security SpecialistJob Title - Personnel Security Specialist

Redhorse CorporationCompany Name - Redhorse Corporation

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Arlington, Virginia, USA

Full-time

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse Corporation is seeking a highly ski

Information Assurance/Security SpecialistJob Title - Information Assurance/Security Specialist

UVS InfotechCompany Name - UVS Infotech

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Washington, District of Columbia, USA

Full-time

Information Assurance/Security Specialist About UVS Infotech: UVS Infotech is a Laurel, Maryland-based, IT System Integrator with expertise in Emerging Technologies: Artificial Intelligence, Machine Learning, Robotic Process Automation, Blockchain, Identity & Access Management, and Identity Proofing. We help federal agencies modernize legacy systems, enhance decision-making, and improve service delivery. Our team blends technical excellence with deep domain knowledge to drive innovation in missi

Senior Program Security OfficerJob Title - Senior Program Security Officer

ManTechCompany Name - ManTech

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Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated, career-oriented Senior Program Security Officer to join our team in Chantilly, VA. In this role, you will provide comprehensive program, physical, and personnel security support across a range of secure facility activities. You will play a vital part in ensuring that security operations align with customer requirements and national policy. Responsibilities include but are not limited to: Provide security support and perform a variety of security-related tasks for Coll

Alternate Information System Security OfficerJob Title - Alternate Information System Security Officer

Cayuse Holdings, LLCCompany Name - Cayuse Holdings, LLC

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Arlington, Virginia, USA

Full-time

Overview The Work The Alternate Information System Security Officer (AISSO) is responsible for providing support to senior ISSOs for implementing, and enforcing information systems security policies, standards, and methodologies and assist with preparation and maintenance of documentation. Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information. Assist with the CM for information system security software, hardware, and firmwa

Associate Industrial Security Representative/Assistant Facility Security OfficerJob Title - Associate Industrial Security Representative/Assistant Facility Security Officer

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

Description The Digital Modernization Sector at Leidos is seeking an Associate Industrial Security Representative/Assistant Facility Security Officer (AFSO) in Lorton, VA. The position will be a part of the Leidos Defense/Intel IT Business Area. The ISR/AFSO will work under the guidance of the Leidos Defense & Intel IT, Business Area Security Manager in the application of Leidos security standards and practices to existing government and Leidos facilities identified by the contract(s). The ISR

Cyber Security Engineer-All LevelsJob Title - Cyber Security Engineer-All Levels

SilverEdgeCompany Name - SilverEdge

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Herndon, Virginia, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking an Cyber Security Engineer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for o

Sr. Network EngineerJob Title - Sr. Network Engineer

LeidosCompany Name - Leidos

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Fort Belvoir, Virginia, USA

Full-time

Leidos is seeking a Sr. Network Engineer to support large-scale 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 Sr. Network Engineer/Architect will support the current infras

Information System Security Officer (ISSO)Job Title - Information System Security Officer (ISSO)

Redhorse CorporationCompany Name - Redhorse Corporation

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Fort Meade, Maryland, USA

Full-time

Information Systems Security OfficerJob Title - Information Systems Security Officer

SAICCompany Name - SAIC

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Arlington, Virginia, USA

Full-time

Job ID: 2507985 Location: ARLINGTON, VA, US Date Posted: 2025-08-05 Category: Cyber Subcategory: Cyber GRC Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description SAIC is seeking an experienced and proactive expert to join our distinguished Information Assurance/Information Security (InfoSec) team. The ideal candidate will exemplify a results-driven attitude and possess th

IT Monitoring Specialist - TS/SCI with PolygraphJob Title - IT Monitoring Specialist - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, 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: Systems Administration Job Qualifications: Skills: Incident Response, IT Monitoring, IT Troubleshooting Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: Job Summary: As an IT Monitoring Specialist at GDIT, you will play a crucial r

Security Monitor 2Job Title - Security Monitor 2

LeidosCompany Name - Leidos

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Springfield, Virginia, USA

Full-time

Description We are seeking a Security Monitor to support a large facility maintenance program management team. We are seeking a vigilant and highly responsible Security Monitor to safeguard personnel, property, and assets within a secured environment. The Security Monitor will be responsible for monitoring surveillance systems, patrolling the premises, controlling access to restricted areas, and responding to security incidents in accordance with established protocols. The ideal candidate will

Cloud Security Architect AzureJob Title - Cloud Security Architect Azure

U.S. Tech Solutions Inc.Company Name - U.S. Tech Solutions Inc.

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Sterling, Virginia, USA

Contract

Job Description: The Cloud Security Architect is a technology and process focused thought-leader with an emphasis in public cloud architecture and engineering. As a lead member of the Warner Bros. Discovery (WBD) cloud security team, the Cloud Security Architect will help support the infosec functions of policy shaping, architectural reviews, compliance, and assessment while providing direct guidance to product and engineering teams for all public cloud related matters in Azure, Google Cloud Pla

Security LeadJob Title - Security Lead

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Description Job Description We are seeking a Security Lead is responsible for overseeing all aspects of security operations at a designated site, ensuring strict adherence to security Standard Operating Procedures (SOPs), federal regulations, and agency-specific policies. This position plays a critical role in the protection of classified and sensitive information and equipment, ensuring compliance with NRO and other federal agency requirements. The Site Security Lead acts as the primary liaiso

Senior Security Classification SpecialistJob Title - Senior Security Classification Specialist

Redhorse CorporationCompany Name - Redhorse Corporation

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Arlington, Virginia, USA

Full-time

Security Vulnerability EngineerJob Title - Security Vulnerability Engineer

PETADATACompany Name - PETADATA

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Washington, District of Columbia, USA

Full-time, Contract, Third Party

Position: Security Vulnerability Engineer Location: REMOTE Experience: 5+ years Work type: C2C PETADATA is seeking an experienced Security Vulnerability Engineer to join our team. The ideal candidate will have a strong background in identifying and mitigating security vulnerabilities in software applications and systems. Roles & Responsibilities: Identify and analyze potential security vulnerabilities in software applications and systems. Design and implement penetration testing and vulnera