CyberArk Security Engineer Base One TechnologyCyberArk Security EngineerArlington, VA$155,000–$190,000 / yearContractorFull timeBS degree in Science, Technology, Engineering, Math or related field and 5-7 years of prior relevant experience with a focus on cybersecurity. Experience installing, configuring, and maintaining tools such as Tanium, Nessus, Forescout, and Cyberark in a hybrid-cloud environment.
NewCybersecurity Security Engineer III SOSiCybersecurity Security Engineer IIIWashington, DCThis role is responsible for supporting security architecture, engineering, technology integration, and modernization initiatives across enterprise cyber defense environments, including Zero Trust, cloud security, DevSecOps, and emerging technologies. SOSi is seeking a Cybersecurity Security Engineer III to support cybersecurity engineering activities in alignment with our customer.
NewSecurity Engineer SteerBridgeSecurity EngineerVienna, VAExperience with the following methodologies and tools: SIEM, XDR, SAST/DAST, STIG, SCAP · Experience implementing and managing identity and access management controls, including role-based, attribute-based, and federated access models, ensuring least-privilege enforcement and secure authorization across architectures and access governance practices. Key Responsibilities: · Plan, implement, and monitor on-premises and virtual network services and systems · Configure and maintain systems in compliance with organizational security policies and procedures including: · User account management · System configuration · Backup and recovery · Develop and harden secure solutions across cloud and hybrid infrastructures in support of mission essential systems.
Information Systems Security Engineer System OneInformation Systems Security EngineerClarksburg, MD$180,000 / yearYou’ll be hands-on with the Risk Management Framework (RMF), Assessment & Authorization (A&A), ATO sustainment, control validation, continuous monitoring, and vulnerability/stig compliance efforts—partnering closely with security and technical teams. In this role, you’ll help build, secure, and maintain systems by applying cybersecurity engineering best practices across design, implementation, authorization, and ongoing compliance.
NewSecurity Engineer SecuriportSecurity EngineerReston, VAIn lieu of degree, a total number of 10 years of experience in related fields (in addition to the management experience required) will meet the education and related experience requirements listed above. This role focuses on implementing advanced security measures, monitoring network activity, and responding to cyber incidents in a timely and effective manner.
NewSenior Security Engineer - Splunk UltraViolet CyberSenior Security Engineer - SplunkWashington, DCEmbed Splunk across a wide range of tools across Enterprise IT operations to ingest endpoint and firewall logs, analyze vulnerability scanning data, enhance privileged access monitoring and audit logging, monitor encryption and key management, and enhance threat detection and incident response. Founded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as-code platform combines technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams.
NewNetwork Security Engineer DNI (Delaware Nation Industries)Network Security EngineerAlexandria, VAMust have experience in the following: configuring, designing, and maintaining Window servers; designing, configuring, and testing personal computer and network software components in a laboratory environment; programming software and command line interfaces; and setting up patch management software and backup management solutions. Must have five years of experience and a master’s degree in computer science or engineering, or at least ten years of equivalent work experience and a bachelor’s degree in computer science or engineering, or equivalent work experience.
NewSecurity Engineer - Zscaler TechximiusSecurity Engineer - ZscalerWashington, DCWorking with an enterprise network architecture, engineering, and implementation team supporting our Federal customer, the Security Engineering role will focus on providing Zscaler Engineering support and will be responsible for implementing the ZScaler solutions to manage connections between CISA users and cloud environments, applying IT Security Governance policies to prevent data exposure, ensure compliance across SaaS applications, and drive innovation for management, functionality, and reporting between disparate mission and IT groups. CISA includes the CISA Mission Enabling Offices (MEOs) and six Divisions: the Cybersecurity Division (CSD), the Emergency Communications Division (ECD), the Integrated Operations Division (IOD), Infrastructure Security Division (ISD), the Stakeholder Engagement Division (SED), as well as, the National Risk Management Center (NRMC), which are headquartered within the National Capital Region (NCR).
NewInformation Security Systems Engineer L3Harris TechnologiesInformation Security Systems EngineerChantilly, VA$106,500–$197,500 / yearAssist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls.
NewCortex XSIAM Security Engineer CELESTIAL INNOVATIONS GROUP LLCCortex XSIAM Security EngineerWashington, DCThe Cortex XSIAM Engineer will serve as a subject-matter expert (SME) throughout the full platform lifecycle: from requirements gathering and architecture design through deployment, integration, and continuous optimization — driving measurable improvements in threat detection and incident response times for our government and commercial clients. This role is at the center of CIG's AI-driven Security Operations practice, enabling clients to modernize their SOC by consolidating SIEM, XDR, SOAR, UEBA, ASM, and TIP capabilities into a single, converged platform.
NewAOUSC - Blue Team Security Engineer cFocus Software IncorporatedAOUSC - Blue Team Security EngineerWashington, DC3+ years of experience designing effective, practical security solutions/measures to include measuring control efficacy and communicating cybersecurity risk to all levels of technical and nontechnical staff. Job Description cFocus Software seeks a Blue Team Security Engineer to join our program supporting the Administrative Office of the United States Courts (AOUSC).
NewInfrastructure Security Engineer SpaceXAIInfrastructure Security EngineerWashington, DC$100,000–$258,000 / yearThis role focuses on securing critical infrastructure across multi-cloud and hybrid environments, with work that may span platforms such as SpaceXAI, X Social, X Money and related systems. Experience with observability and security operations tooling (e.g., Prometheus, Grafana, CloudWatch, Karma; SIEM platforms such as Wazuh).
Systems Engineer/Administrator Kaiva CorpSystems Engineer/AdministratorArlington, VAFull timeManage and maintain Microsoft 365 services such as Microsoft Intune, Entra admin center with Entra Connect for cloud synchronization, Exchange admin center for mail and mailbox administration, Microsoft Defender, and Microsoft Purview. As a Systems Engineer/Administrator, you will be responsible for ensuring the secure and efficient operation of servers and systems in a variety of environments, including on-premises and cloud-based Microsoft products within our Federal Government Customer's environment.
NewSecurity Product Reverse Engineer (TS/SCI w POLY) Falls TechnologySecurity Product Reverse Engineer (TS/SCI w POLY)McLean, VAAbout the Role:** Join our team as a Security Product Reverse Engineer to analyze and audit security products, focusing on vulnerability research and code exploitation. - At least 5 years of hands-on experience with Computer Network Exploitation (CNE) development and testing against at least one of: Personal Security Products, Security Appliances, or Embedded OS security.
NewSecurity Infrastructure & Exposure Engineer AnaVationSecurity Infrastructure & Exposure EngineerReston, VAThe following individual certifications cover both certification requirements for this program: CompTIA Cybersecurity Analyst, CySA+; EC-Council Certified Network Defender (CND); GlAC Global Industrial Cyber Security Professional, GICSP; (ISC)2 System Security Certified Practitioner (SCCP). You will engineer internal tools and automated pipelines that proactively map assets, model attack paths, and eliminate security blind spots before they can be exploited.
NewSecurity Automation (SOAR) Engineer AnaVationSecurity Automation (SOAR) EngineerReston, VAThe following individual certifications cover both certification requirements for this program: CompTIA Cybersecurity Analyst, CySA+; EC-Council Certified Network Defender (CND); GlAC Global Industrial Cyber Security Professional, GICSP; (ISC)2 System Security Certified Practitioner (SCCP). Hands-on experience and knowledge with the following: SOAR Playbook Automation: Proven experience building security orchestration and automated response workflows.
NewPhysical Security Engineer CloudHQ LLCPhysical Security EngineerAshburn, VAThe PSE shall report to the Security Program Manager and provide support and management for the day-to-day security operations of CloudHQ’s large scale data centers, while ensuring that the highest levels of security, plant safety and tenant availability are maintained. We are strengthened by industry experts who bring extensive knowledge, skill, and experience; leaders who bring vision, innovation and commitment to our people; and an expanding team of individuals who believe in that vision and bring their best to support their customers and team.
NewSecurity Systems Design Engineer EMD LLCSecurity Systems Design EngineerAlexandria, VASpecific experience integrating or designing enterprise-level IP CCTV camera systems, Emergency Notification systems, Automated Access Control systems, Intrusion Detection systems. · Manual dexterity required for frequent reaching, climbing, and lifting of moderate objects (50-80 pounds), operation of power and manual tools/equipment, and operating office equipment.
NewSr. Security Engineer - GRC Frameworks & AI Governance SpaceXAISr. Security Engineer - GRC Frameworks & AI GovernanceWashington, DC$152,000–$258,000 / yearThe ideal candidate combines deep fluency across modern security and AI frameworks with GRC engineering skills: you translate control requirements into technical implementations, partner with engineers to bake compliance into architecture and CI/CD, and replace point-in-time checklist work with continuous, engineered assurance. RESPONSIBILITIES: Own and execute security compliance implementation and audits across core frameworks including SOC 2, NIST CSF, NIST SP 800-53, ISO 27001, ISO 42001, and the EU AI Act, including control design, mapping, gap assessment, evidence collection, and remediation tracking.
NewSenior Cyber Security Engineer Cirrus Group ConsultingSenior Cyber Security EngineerMcLean, VATake ownership of key security priorities currently handled by senior technical leadership, helping create clear separation between core technology leadership and security leadership. The right person will help build and mature the company’s security function, strengthen real-world security posture, support customer and partner trust conversations, and become a visible leader in how the company thinks about privacy, security, and trust.