Senior Cyber Tools Architect/Engineer ASRC Federal Holding CompanySenior Cyber Tools Architect/EngineerQuantico, VAMinimum Requirements: Experience: Minimum of 10 years of progressive experience in cybersecurity architecture and engineering, with at least 5 years of hands-on experience designing and implementing enterprise security tools and platforms in large-scale, complex environments Security Clearance: Active Top-Secret Clearance REQUIRED, eligible to be upgraded to TS/SCI Certification Requirements: Must meet 8570 IASAE III certification requirements at the time of hire. The ideal candidate will serve as the technical authority for cybersecurity tools, platforms, and frameworks, responsible for defining, designing, and enhancing enterprise-wide security architectures that protect our organization's critical assets, data, and systems across complex, hybrid, and multi-cloud environments.
NewIT Systems Engineer 2 - Falls Church, VA M.C. Dean, IncIT Systems Engineer 2 - Falls Church, VAFalls Church , Virginia$90,000–$124,000 / yearFull timeDrive development of designs and architectural changes to infrastructure environments including physical/logical drawings, engineering design plans, implementation plans, transition plans, test plans, and failover plans. Qualifications: Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; active Secret Clearance is required.
Cyber Security Engineer Red Key Solutions LlcCyber Security Engineerbethesda, MDFull timeDesign, configure, implement, troubleshoot, and maintain all security platforms and their associated software, such as firewalls (Security Groups), intrusion detection/intrusion prevention, anti-virus/malware (HBSS), cryptography systems (Vormetric), SIEM (Splunk), and MDM. The Cyber Security Engineer must display an excellent understanding of technology and utilization of Firewalls (Security Groups), VPNs, Data Loss Prevention (DPS), IDS/IPS, Web-Proxy, Security tools, and Security Audits.
Cyber Defense Analyst - Swing Shift ASRC Federal Holding CompanyCyber Defense Analyst - Swing ShiftQuantico, VAThis position focuses on safeguarding the network through continuous traffic analysis, vulnerability and wireless scanning, and leveraging enterprise tools such as SIEM, SOAR, CrowdStrike, CyberArk, and Endpoint Security Suite (ESS).The Analyst will collaborate with cross-functional IT and security teams to: Implement Information Assurance Vulnerability Management (IAVM) programsManage Network Access ControlProvide insider threat supportMonitor data at restReview web content filteringMaintain and upkeep various cybersecurity applications and tools on servers and workstations to ensure high operational readiness during all covered hours. Required Skills: Log Analysis & Threat Identification: Experience analyzing log files from network traffic logs, firewall logs, IDS logs, DNS logs and ESS to identify possible security threats (e.g., determine rogue systems, infected systems, unauthorized system changes, and unauthorized hardware connections).Policy
Cyber Security Operations Specialist III - Tier 3 CACI International Inc.Cyber Security Operations Specialist III - Tier 3Springfield, VA$75,200–$158,100 / yearCoordinates with Security and Installations Directorate (SI) Office of Counterintelligence (SIC), Insider Threat Office (SIII), in addition to other law enforcement and counter intelligence personnel as required to perform advanced investigation and triage of incidents; Collaborates with appropriate authorities in the production of security incident reports; Categorizes incidents and events; Coordinates with other contracts, organizations, activities, and other services as appropriate to ensure incidents are properly reported, contained, and eradicated; Coordinates with other contracts, organizations, activities, and other services as appropriate to de-conflict blue / red team activity with open incidents/events; Coordinates with other contracts, organizations, activities, and services to ensure NGA recovers from an incident/event; Builds timelines, documents, briefings, and other products as required to inform stakeholders of incident response actions, analysis, and the impact of both adversary activity and blue force response actions. Provides input to and coordinates with all applicable stakeholders to develop and deliver the daily CSOC Significant Activity Report, the daily CSOC Operations Update, and the Weekly CSOC Status Report; Serve as C-IRT members as required and serve under the direct control of, and take direction from, the Government C-IRT Commander; Develop and coordinate courses of action with various Government and contract stakeholders, and when properly authorized by the Government, execute Defensive Cyberspace Operations-Internal Defensive Measures on behalf of the NGA on NGA networks and systems; Performs digital media analysis and malware reverse engineering on host, server, and network data as required to analyze and respond to an incident, to include but not limited to volatile and non-volatile memory and/or system artifact collection and analysis.
NewSr. Endpoint Security Systems Engineer LeidosSr. Endpoint Security Systems EngineerBethesda, MarylandWorking in a hybrid cloud/on-prem mission environment the engineer will support integration of Linux and Windows hosted mission systems with the endpoint security product and maintaining the scan policies to ensure proper protection of mission systems from external threats. August 25, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
AI Cyber Engineer (Enterprise Security & Autonomous Remediation) Ampcus IncorporatedAI Cyber Engineer (Enterprise Security & Autonomous Remediation)Washington, DC$120,000–$180,000 / yearThe AI Cyber Engineer is a senior technical role responsible for implementing and operating AI-driven cybersecurity capabilities to continuously detect, prioritize, and remediate vulnerabilities across the enterprise IT environment. The engineer will leverage advanced AI models, agentic frameworks, and security tooling to: Continuously Client vulnerabilities across infrastructure, applications, and AI systems.
Cyber Software Capability Lead G2 Ops, Inc.Cyber Software Capability LeadArlington, VA$145,000–$170,000 / yearThe Cyber Software Capability Lead and Principal Software Engineer provides technical leadership for the architecture, development, and evolution of G2 Ops' software capabilities supporting the AEGIS portfolio, including the SOFIA Cyber Analytics Platform, MONARCH, SMART, and related cybersecurity and digital engineering applications. This is a hands-on technical leadership role responsible for defining software architecture, mentoring engineers, driving technical execution, and delivering innovative software capabilities that support Department of Defense customers.
Cyber Defense Incident Responder - Swing Shift ASRC Federal Holding CompanyCyber Defense Incident Responder - Swing ShiftQuantico, VAThis position focuses on detecting and responding to security incidents in real time, performing containment and eradication actions, and coordinating recovery efforts using enterprise tools such as SIEM, SOAR, CrowdStrike, CyberArk, and Endpoint Security Suite (ESS).The Incident Responder will collaborate with cross-functional IT and security teams to: Execute incident response procedures in accordance with NIST SP 800-61 and DoD guidelinesCoordinate with JFHQ-DODIN on cyber incident reporting and remediationSupport insider threat response and investigationsContain and remediate compromised systems, accounts, and endpointsPreserve and document forensic evidence for incident case managementMaintain incident response playbooks and ensure high operational readiness during all covered hours. Incident Response Lifecycle: Execute the full incident response lifecycle - preparation, detection and analysis, containment, eradication, recovery, and post-incident activity - in accordance with NIST SP 800-61.Containment & Eradication: Take decisive containment and eradication actions on compromised endpoints, accounts, and systems to limit incident impact.
NewCyber FinCrime Analyst GuidehouseCyber FinCrime AnalystDc, District of ColumbiaPerform cryptocurrency tracing and blockchain analysis using tools such as Chainalysis, TRM Labs, Elliptic, Flashpoint, VirusTotal, Mandiant, and other cyber threat intelligence platforms to identify transaction flows, wallet clustering, and attribution indicators. Support investigations by mapping flow of funds, identifying typologies of cyber-enabled financial crimes (e.g., ransomware payments, fraud schemes, money laundering), and linking transactions to real-world entities.
Cyber Fusion Analyst Leidos Holdings Inc.Cyber Fusion AnalystWashington, DC$107,900–$195,050 / yearAdvanced Correlation: Utilize SIEM and Threat Intelligence Platforms (TIP) to correlate global threat actor activity against internal sensor logs, identifying "low and slow" campaigns that span multiple mission sets. Our Cyber Fusion team provides mission-critical support to the customer's mission of protecting federal networked systems by integrating disparate intelligence, hunting telemetry, and vulnerability data into a single operational view.
Cyber Data Protection/PKI Specialist Senior Consultant Deloitte Touche Tohmatsu LtdCyber Data Protection/PKI Specialist Senior ConsultantArlington, VA$118,700–$218,600 / yearAssist clients in designing, implementing and operating technology and process solutions to reduce data risks, developing and leading the implementation of encryption strategies to protect sensitive data across various environments, including cloud, on-premises, and hybrid infrastructures, to manage the deployment and lifecycle of PKI systems, ensuring robust and scalable certificate management processes, monitor and maintain the health of certificate infrastructures to prevent downtime and security breaches, and assist with developing requirements, evaluating vendor solutions, architecting, implementing and operating data protection solutions. 2+ years of professional experience managing and implementing various encryption technologies (e.g., database encryption, file encryption, Public Key Infrastructure (PKI), certificate lifecycle management (CLM), transport layer security (TLS)) and strong understanding of Cloud encryption concepts such as client-side encryption, bring your own key (BYOK), server-side encryption.
Cyber Fusion Analyst LeidosCyber Fusion AnalystWashington, District of ColumbiaAdvanced Correlation: Utilize SIEM and Threat Intelligence Platforms (TIP) to correlate global threat actor activity against internal sensor logs, identifying "low and slow" campaigns that span multiple mission sets. Our Cyber Fusion team provides mission-critical support to the customer’s mission of protecting federal networked systems by integrating disparate intelligence, hunting telemetry, and vulnerability data into a single operational view.
Cyber Threat Hunter Leidos Holdings Inc.Cyber Threat HunterWashington, DC$107,900–$195,050 / yearAdvanced Telemetry Analysis: Query and correlate massive datasets across cloud resources, identity systems, and network infrastructure to identify "low and slow" attacks that evade automated detection. APT Targeting & Engagement: Utilize the MITRE ATT&CK framework to proactively search for Advanced Persistent Threat (APT) activity, assuming a "breach mentality" to uncover hidden adversaries.
NewSecurity Engineer III, Splunk Content Engineer (Secret Clearance) Deloitte Touche Tohmatsu LtdSecurity Engineer III, Splunk Content Engineer (Secret Clearance)VA$97,900–$163,100 / yearServing federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.
NewSenior Program Analyst ARCTICOM LLCSenior Program AnalystQuantico, VAFacilitate assessments of Cruise Missile Defense Systems (CMDS), Counter -Unmanned Aircraft Systems (C-UAS), Counter-Rocket, Artillery, Mortar (C-RAM), Maneuver Short Range Air Defense (MSHORAD) and Air Defense missile-related-acquisition programs to support organizational planning and development within PM GBAD. Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services.
Principal Cyber Security Engineer ManTech International CorpPrincipal Cyber Security EngineerChantilly, VA$114,600–$190,200 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations.
Lead Cyber Security Engineer Capital Bancorp, Inc.Lead Cyber Security EngineerRockville, MDRemote$115,000–$125,000 / yearWe offer commercial and consumer banking services to clients primarily in Maryland, DC, and Northern Virginia, alongside two nation-wide lending brands; Capital Bank Home Loans and OpenSky, a credit card division that offers and services credit cards across all states. As such, the Lead Information Security Engineer is responsible for designing, implementing, and continuously improving security controls, leading incident response activities, and serving as a key technical advisor to IT leadership and business stakeholders.
Cyber Security Project Engineer J5 ConsultingCyber Security Project EngineerChantilly, VAFull timeDemonstrated experience program management and system integration managing successful IT complex programs; facilitating and participating in meetings and information sessions; coordinating IT program schedules; creating/distributing minutes and action items; tracing action items for successful completion. Demonstrated experience building current technology servers and workstations: providing technical configuration, setup, installation services, hardware and coordination, and maintaining to current workstation and server operating system and software updates/patching versions.
Senior Research Scientist - Cyber Network Security PeratonSenior Research Scientist - Cyber Network SecurityCollege Park, Maryland$176,000–$282,000 / yearFull timeWithin this role you will work in a dynamic R&D environment, collaborate directly with government leadership and technical stakeholders, and help shape next-generation research efforts in cyber network defense, secure networking, experimentation platforms, and emerging network technologies. Minimum of 12+ years of experience with a Bachelor’s degree, 10+ years of experience with a Master’s degree, or 8+ years of experience with a PhD in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or a related technical field.