2,022 Results for

Cyber Security Jobs in Fairfax, VA

Jobs

New!

Washington DC, DC4 days ago

Remote

Leadership skills to develop, organize and execute significant account planning, capture, and opportunity execution activities, including building industry teams, assessing win probability, ensuring execution of customer call plans to shape acquisitions in order to respond to and win business with new and existing customers. This individual will be expected to collaborate with other team members from business development, operational leadership, and Subject Matter Experts (SMEs) to build and execute call plans to position ByLight for successful pursuits and the submission of competitive proposals.

New!

Columbia, MD6 days ago

$135,000–$135,000 Per Year

We are looking for a dedicated professional to drive the development and integration of cyber operational strategies within high-security environments. Qualifications: • Proven track record supporting missions for the NSA, Intelligence Community, or Department of Defense.

New!

Camp Springs, MD4 days ago

$73,450–$132,775

The successful candidate will assist the Government staff by providing situational awareness of Air Force District of Washington (AFDW) unique functional systems, availability, base communications squadron network events, compliance against orders, and the status of network taskings. Advises the AFDW/CC, AFDW/A3/5/6, and 844 CG/CC on completion of cyber orders or inability to complete assigned tasks pertaining to AFNET, PMO, and AFDW-unique systems as required/directed by the AFDW/CC or delegated authority.

New!

Sterling, VA3 days ago

Active Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients. The Project Engineer works closely with project managers, field technicians, and clients to coordinate activities, resolve technical challenges, and maintain project momentum.

Columbia, MD14 days ago

$135,000–$145,000

We are seeking a Cryptologic Cyber Planner to develop and integrate cyber operational planning strategies within secure environments. This role supports strategic and operational cyber planning aligned with FTC4 mission needs.

New!

McLean, VA4 days ago

We’re looking for a Computer Security Systems Specialist to design, document, and implement cybersecurity controls for Army enterprise networks. You’ll ensure systems are engineered and configured to meet DoD, Army, and DISA security requirements, and you’ll support fielded systems through assessment, approval, and operational deployment.

New!

Camp Springs, MD4 days ago

$116,350–$210,325

BS degree and 12+ years of prior relevant experience or a Masters degree and 10+ years of prior relevant experience, additional years of experience, certifications, specific Air Force IT systems experience accepted in lieu of a degree. The CySC Director of Operations works directly for the CySC Manager and Government Service Owners to deliver top-notch customer service and respond to the dynamic needs of the user base to meet the diverse missions of the Air Force in the NCR.

New!

Dulles, VA3 days ago

Active Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients. Technical Leadership: Perform complex troubleshooting and diagnostics, including advanced programming and system integration tasks, independently and collaboratively resolving complex issues on-site.

New!

Sterling, VA3 days ago

Customer Site Ownership: Serve as the primary service technician for designated client sites, maintaining regular scheduled on-site service hours and ensuring systems remain operational, compliant, and properly maintained. Requirements:Responsibilities: System Maintenance & Service Support: Perform advanced diagnostics, repairs, and preventive maintenance on integrated security systems including access control, video surveillance, intrusion detection, and supporting infrastructure to ensure reliable system performance.

New!

Dulles, VAToday

The Security Systems Technician II can operate independently, bringing several years of experience to the field with the ability to perform installations, maintenance, troubleshoot complex issues, lead smaller projects, and assist in training junior technicians. Active Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients.

Bethesda, MD9 days ago

$100,000–$120,000 Per Year
Full-time

Utilize various security tools like Tenable Security Center, Splunk, MS Defender, SEIM, Symantec DLP, Netsparker, Penetration Testing, Service Now, Web Application Security, Data Loss Prevention, Incident Response, Forensics, Security Tool Evaluation, and Endpoint Protection (Cylance). Bachelor’s or Master’s Degree in Information Technology or related disciplines; or have equivalent and direct experience with the management, operation, and direction of a network and/or security operations center.

New!

McLean, VA4 days ago

Architect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.

New!

Reston, VA4 days ago

$100,600–$199,000 Per Year

Collaboration skills will be required to work closely with other engineering teams to ensure services and systems are highly stable, meet performance Service level agreements (SLA), and meet the expectations of internal and external customers and users. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate.

New!

Quantico, VA6 days ago

Bachelor’s degree and minimum of 4 years of experience working with Red Hat Enterprise Linux 7.X, 8.X, 9.X with a strong command-line interface (CLI) skillset (additional 2 years of experience may be substituted in lieu of degree). The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and unclassified networks in support of Cyber investigations and operations.

New!

Alexandria, VA2 days ago

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. •Demonstrated understanding of the life cycle of cybersecurity threats (internal and external), attacks, attack vectors and methods of exploitation with an understanding of intrusion set tactics, techniques and procedures (TTPs).

New!

Lorton, VA4 days ago

$131,300–$237,350

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Motivated self-starter with strong written and verbal communication skills for collaborating with technical and non-technical stakeholders, and the ability to create complex technical reports on analytic finding .

Fort Belvoir, VA15 days ago

$85,018–$160,000
Full-time
Employee

Implementing and maintaining the organization's cybersecurity toolsets, such as endpoint security solutions (ESS), malware protection, network detection & response (NDR), and endpoint detection & response (EDR) . As a Cyber Tools Administrator, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions.

Annapolis Junction, MD16 days ago

$128,887–$175,000
Full-time
Employee

9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. HII Mission Technologies has a need for a Cyber Engineer who will be responsible for guiding systems through the full Risk Management Framework (RMF) lifecycle and ensuring all security controls are properly designed, implemented, documented, and assessed.

Annapolis Junction, MD16 days ago

$130,000–$180,000
Full-time
Employee

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Fort Belvoir, VA16 days ago

$73,193–$189,985
Full-time
Employee

As a Cyber Network Analyst, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Fort Belvoir, VA16 days ago

$89,120–$130,000
Full-time
Employee

Ensure system security needs established and maintained for operations development, security requirements definition, security risk assessment, systems analysis, systems design, security test and evaluation, certification and accreditation, systems hardening, vulnerability testing and scanning, incident response, disaster recovery, and business continuity planning and provides analytical support for security policy development and analysis. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Columbia, MD16 days ago

Full-time
Employee

Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. Develop engaging training materials in a variety of formats including web-based training, videos, slides, instructor/participant guides, knowledge checks, practical exercises/labs, use cases and best practices.

Fairfax, VA16 days ago

$153,605–$184,124
Full-time
Employee

HII - Mission Technologies is currently seeking a SME Information System Security Manager (ISSM) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience.

Fairfax, VA16 days ago

$128,887–$184,124
Full-time
Employee

HII - Mission Technologies is currently seeking a Senior Information System Security Officer (ISSO) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 10 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.

Fort Belvoir, VA16 days ago

$106,681–$246,980
Full-time
Employee

Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Washington, DC16 days ago

$53,937–$114,395
Full-time
Employee

The CSPO, as the liaison, must effectively communicate with senior leaders and be knowledgeable of all security pillars: Physical security, Industrial Security, Information Security, personnel security, and Cyber Security; Development of Program Protection Plans, OPSEC Plans, SOPS, SSAs and Transportation plans. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Suitland, MD16 days ago

$53,937–$114,395
Full-time
Employee

Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Fairfax, VA16 days ago

$149,168–$184,124
Full-time
Employee

HII - Mission Technologies is currently seeking Senior-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Designs and implements automated cloud architectures using Terraform, Ansible, and CloudFormation to support system administration, release management, cybersecurity controls, and continuous integration pipelines across multiple operational enclaves.

Fairfax, VA16 days ago

$115,199–$164,570
Full-time
Employee

HII - Mission Technologies is currently seeking an Intermediate-level Cloud Security Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Conducts patch management operations across Advana cloud enclaves by operating vulnerability scanning workflows, identifying required updates, tracking patch applicability, and automating deployment actions aligned with Department of Defense patching directives supporting Joint Staff elements and mission-owner communities.

Fairfax, VA16 days ago

$104,336–$149,052
Full-time
Employee

HII - Mission Technologies is currently seeking Intermediate-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. "• 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.

Washington, DC16 days ago

$59,023–$85,000
Full-time
Employee

The CSPO, as the liaison, must effectively communicate with senior leaders and be knowledgeable of all security pillars: Physical security, Industrial Security, Information Security, personnel security, and Cyber Security; Development of Program Protection Plans, OPSEC Plans, SOPS, SSAs and Transportation plans. Industrial Security Analyst 2 : 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience.

Springfield, VA11 days ago

$102,831–$150,000
Full-time
Employee

Engineer Info Assurance 3: 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Engineer Info Assurance 2: 2 years relevant experience with Bachelors in related field; 0 years experience with Masters in related field; or High School Diploma or equivalent and 6 years relevant experience.

Columbia, MD16 days ago

Full-time
Employee

Must have at least 15 years of experience in Systems/Software Engineering with a Bachelor's degree in technical discipline (i.e. computer science, engineering, mathematics, etc.); 13 years relevant experience with Masters in related field; or High School Diploma or equivalent and 19 years relevant experience. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.

New!

Beltsville, MD2 days ago

Remote

The ideal candidate has strong hands-on experience in intrusion detection, threat hunting, phishing investigations, endpoint and network analysis, and operational cybersecurity support. Investigate and respond to security alerts involving phishing, malicious URLs, malware activity, credential compromise, suspicious authentication activity, and endpoint threats.

Washington, D.C.30+ days ago

$80,000–$128,000 Per Year

The ideal candidate will serve as a senior escalation point for complex security incidents, lead advanced threat‑hunting operations, and drive the maturation of detection capabilities across the Microsoft security ecosystem. • Minimum 3 years of experience implementing and managing Microsoft Defender solutions (Defender for Endpoint, Defender for Identity, Defender for Office 365, and/or Defender for Cloud).

Springfield, VA8 days ago

Experience engineering Cyber Security solutions using Cloud Based Technology such as: Service Orientated Architecture (SOA), On-demand self-service, Broad network access, Resource pooling, Rapid elasticity, Measured Service, Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS). Required: · Master’s degree in engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree program, or 18 years of experience as a Cyber Security Engineer in lieu of degree.

Quantico, Virginia30+ days ago

You’ll work closely with IT, incident response, and accreditation teams to secure data, networks, systems, applications, and field operations, including responding to cyber incidents, ensuring accreditation/authorization, and maintaining information system security posture. 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.

Washington, DC30+ days ago

$85,000–$95,000 Per Year

The Health PMO support contract provides IT program management, project management, technical management, financial management, functional planning, and documentation analysis in support of the Enterprise Program Management Office (EPMO) Enterprise Program Management Division (EPMD) Health Portfolio. Bachelor's Degree in Business Administration, Business Management, Computer Science, Information Systems, Operations Research, or related fields, plus 5 years of experience; 5 additional years of experience can be substituted for the degree requirement.

Alexandria, VA30+ days ago

$131,300–$237,350 Per Year

Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. Bachelor's degree in Computer Science, Engineering, Information Systems, Cybersecurity, or related technical discipline and 12-15 years of relevant experience OR Master's degree in a related field and 10-13 years of relevant experience.

New!

Chantilly, Virginia4 days ago

$146,000–$234,000 Per Year

Experience engineering Cyber Security solutions using Cloud Based Technology such as: Service Orientated Architecture (SOA), On-demand self-service, Broad network access, Resource pooling, Rapid elasticity, Measured Service, Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS). Qualifications: Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.

Reston, VA9 days ago

The ideal candidate will bring strong experience with Suricata configuration management, enterprise Linux administration, and high-performance packet capture technologies including Napatech network interface cards (NICs). " Identify and mitigate operational challenges in large-scale enterprise deployments, including resource constraints, packet loss, and NIC driver configuration issues.

Dulles, VA30+ days ago

The ideal candidate is a recognized cybersecurity authority with advanced technical expertise in the Department of War (DoW) Risk Management Framework (RMF) process and experience collaborating with the government to design and maintain secure, complex solutions. From our locations across the DC Metro area, Hampton, Virginia, and Huntsville, Alabama, we provide technological subject matter expertise, program management and business process knowledge as a trusted advisor in support of our Department of Defense and other Federal Agency customers.

Quantico, VA30+ days ago

Advises on an integrated, dynamic cyber defense and leverage cyber security solutions to deliver cyber security operational services, including intrusion detection and prevention, situational awareness of network intrusions, security events, endpoint security, data spillage, and incident response actions. The CND engineer will respond to and report all IT incidents ranging from security violations (i.e., information spillage and unauthorized usage) to suspicious activity reports and insider threats through the use of current cyber security tools and by following current guidelines and directives published by the DoD and the Navy.

Vienna, VA24 days ago

Ability to provide technical assistance and support over the phone; good phone skills, professional demeanor, and previous customer service experience strongly desired. Proficient with Microsoft Office Applications, and experience working in a home office setting, as well as the ability to train end users on frequently asked technical issues.

Vienna, VA24 days ago

Washington DC, DC23 days ago

$55–$62

Bachelor’s degree in Cybersecurity, IT, Computer Science, or related field, or equivalent experience (3+ years in security engineering/operations and 4+ years in incident response). This role is ideal for a cybersecurity professional who thrives in a fast-paced environment, combining incident response expertise with forward-looking security engineering.

Quantico, VA30+ days ago

Prior experience with computer networking and telecommunication architecture, the OSI model, and communications protocols and in collaborating with multiple technical teams to drive solutions that are requirement driven. The Cyber Security Engineer will be responsible for tasks related to Assessment & Authorization (A&A) to ensure assigned DoD, DoN systems/Enclaves/Networks can obtain and maintain Authorization to Operate (ATO) and Authorization to Connect (ATC) certifications.

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Cyber Security Jobs in Fairfax, VA

VP, Cyber Programs - Remote By Light Professional IT Services

Cryptologic Cyber Planner Aminov Search Partners

MCCC Cyber Compliance Officer Leidos

Electronic Security Project Engineer Active Security Consulting LLC

Cryptologic Cyber Planner - ( TS/SCI FS Poly Required) Gables Search Group

Computer Security Systems Specialist By Light Professional IT Services

Cyber Support Center (CySC) Director of Operations Leidos

Lead Security Systems Technician Active Security Consulting LLC

Service Technician – Electronic Security Systems Active Security Consulting LLC

Security Systems Technician II Active Security Consulting LLC

SOC Analyst Dunhill Solutions

Senior Google AI Engineer Credence

Software Engineer II - CTJ - Top Secret Microsoft

Linux Engineer MANTECH

Insider Threat / UAM Analyst Leidos

Senior Cybersecurity Engineer Leidos

Cyber Tools Administrator - Majestic Company Confidential

Cyber Engineer - 27644 Company Confidential

Cyber Software Engineer Company Confidential

Cyber Network Analysis Tech, Majestic Company Confidential

Cyber Architect, Majestic Company Confidential

Cyber Product Trainer (Hybrid) - 26419 Company Confidential

Information Systems Security Manager ISSM (Engineer Info Assurance 5) Company Confidential

Information System Security Officer (Engineer Info Assurance 4) Company Confidential

Computer/Network Security Systems Specialist (Lead) Company Confidential

Contract Program Security Officer Company Confidential

Cognizant/Alternate Cognizant Security Officer Company Confidential

Senior IaC Engineer (Computer Sys Security Anlyst 5) Company Confidential

Cloud Security Engineer (Cloud Engineer 3) Company Confidential

IaC Engineer (Computer Sys Security Anlyst 3) Company Confidential

Jr. Contract Security Program Officer (CSPO) Company Confidential

Security Control Assessor (SCA) Company Confidential

Software Security Engineer (Hybrid) - 26911 Company Confidential

Senior Cyber Security Engineer ASRC Federal Holding Company

Tier 2/3 Cyber Security Analyst / Microsoft Sentinel/Microsoft Defender Peraton

Expert cyber security engineer(1/261/25) CEdge Inc

Cyber Security Analyst AMERICAN SYSTEMS

Cyber Security Analyst LTS

SME Cyber Security Engineer Leidos Holdings Inc

Expert Level Cyber Security Engineer Peraton

Suricata Cyber Security Engineer Ennoble First

Senior Cyber Security Engineer Technica Corp

Cyber Security Engineer- CND Open San Consulting LLC

Mid Cyber Security Engineer Chenega Corporation

Jr Cyber Security Engineer Chenega Corporation

Senior Cyber Security Engineer Chenega Corporation

Cyber Security Engineer TEEMA

Cyber Security Engineer A&A OSC Edge

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