Senior Information Systems Security Engineer (ISSE) Amatriot Group, LLCSenior Information Systems Security Engineer (ISSE)Annapolis Junction, MD$150,000–$210,000 / yearImplement security systems by specifying intrusion detection methodologies and equipment, directing equipment and software installation and calibration, preparing preventive and reactive measures, creating, transmitting, and maintaining keys, providing technical support, and completing documentation. This role performs security engineering across the system development lifecycle, supports vulnerability management, integrates cybersecurity requirements across enterprise environments, and ensures development and operational systems are functional and secure.
Cyber Security Engineer SME Abacus TechnologyCyber Security Engineer SMEWashington, Washington, DCDevelop automation scripts for security monitoring and incident response tasks using tools like Terraform, Ansible, or cloud-native automation tools and implement and maintain security tools and technologies that enhance the overall security posture such as Prisma Cloud CSPM (Cloud Security Posture Management) platform. Experience in assisting responses to external audits, penetration tests, vulnerability assessments, recommending and coordinating application fixes, patch management, risk assessments, and implementing security procedures in the event of a security breach.
Cyber Security Engineer III American UniversityCyber Security Engineer IIIWashington, DC$105,519–$115,000 / yearSolid technical expertise in operating systems (Unix/Linux, Windows, macOS), internet applications (email, web, DNS/DHCP, TCP/IP), desktop software, antivirus tools), encryption technologies (SSL, TLS, IPsec), and networking hardware and software. 2.) During an on-call rotation, the designated employee performs their regularly work duties and must be readily available throughout the day (including evenings, weekends, and holidays) to proactively monitor alerts, queues and dashboards and respond to incidents.
Cloud Security Engineer with TS/SCI Clearance Maania Consultancy ServicesCloud Security Engineer with TS/SCI ClearanceReston, VARequired Qualifications 5+ years of experience building and administering cloud environments, utilizing cloud-native functionality, and COTs, GOTS, and open source tools. Associate’s degree and 5+ years of supporting IT projects and activities, Bachelor’s degree and 3+ years, or Master’s degree and 1+ years.
Information Systems Security Engineer Level 2 (ISSE 2) ARSIEMInformation Systems Security Engineer Level 2 (ISSE 2)Columbia, MDSupport security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and prescribed NSA/CSS business processes for security engineering designs. ARSIEM is currently looking for an Information Systems Security Engineer 2 to participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of secure networking, computing, and enclave environments.
Cyber Security Engineer Staffed4UCyber Security EngineerChantilly, VirginiaThis role supports enterprise cyber security initiatives by leading Assessment & Authorization (A&A) efforts, continuous monitoring, cyber risk management, vulnerability assessments, and cyber security engineering activities across a complex enterprise environment. The successful candidate will work closely with government stakeholders, system owners, engineers, and external partners to maintain secure, accredited systems while helping develop and deploy advanced cyber security capabilities.
Information Systems Security Engineer Level 1 (ISSE 1) ARSIEMInformation Systems Security Engineer Level 1 (ISSE 1)Columbia, MDSupport security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and prescribed NSA/CSS business processes for security engineering designs. ARSIEM is currently looking for an Information Systems Security Engineer 1 to participate as a security engineering representative on engineering teams for the design, development, implementation, and/or integration of secure networking, computing, and enclave environments.
Staff Application Security Engineer The Nuclear CompanyStaff Application Security EngineerWashingtonWe expect every team member to continuously identify opportunities to automate workflows, enhance decision-making, improve processes, and contribute to the ongoing evolution of NOS as a strategic operating capability that enables The Nuclear Company to scale with excellence. This is a high-ownership role for a builder who is equally comfortable reviewing application architecture, threat modeling an API, improving GitHub security controls, and partnering directly with engineers to ship secure software quickly.
(ISSE/ISSO) Information Systems Security Engineer (TS/SCI + CI Poly) TopClearedRecruiting(ISSE/ISSO) Information Systems Security Engineer (TS/SCI + CI Poly)Chantilly, VirginiaCoordinating with various contractor and staff personnel to obtain the A&A content, as well as working with various customer security organizations to navigate the customers A&A process in order to achieve Authority to Develop (ATD), Interim Authority to Operation (IATT), as well as Authority to Operate (ATO). Basic knowledge is helpful, but not required for the following general topics: Cloud security control implementation, PKI implementation, STIG compliance and vulnerability management, and Security Development and Operations (SecDevOps).
Senior Cloud Security Engineer Anduril Industries IncSenior Cloud Security EngineerWashington, DC$166,000–$220,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years.
NewDevSecOps / Security Engineer ZantechDevSecOps / Security EngineerArlington, VAThe DevSecOps / Security Engineer serves as the lead technical engineer for automation, CI/CD, and security posture of the cloud infrastructure, directly executing Technical Infrastructure and Platform Support requirements and supporting continuous Authority to Operate (ATO) under the DoD Risk Management Framework. 5 years supporting the Risk Management Framework (RMF) for DoD or federal systems, including DISA STIGs, vulnerability assessments, and patching/remediation.
OT Cybersecurity Engineer (Remote) ZantechOT Cybersecurity Engineer (Remote)Ft Belvoir, VARemotePersonnel must reside within 100 miles one-way and within a 2-hour commute of a dually-approved SIPRNet-accredited workspace within one of 7 DLA primary locations: DLA HQ in Fort Belvoir, Virginia; DLA Aviation in Richmond, Virginia; DLA Disposition Services in Battle Creek, Michigan; DLA Distribution in New Cumberland, Pennsylvania; DLA Land and Maritime in Columbus, Ohio; Huntsville, Alabama; and DLA Troop Support in Philadelphia, Pennsylvania. Impact: This role directly supports the two objectives of the task order, improving the cybersecurity posture of all DLA activities and enforcing compliance with OMB, DoD, DLA, NIST, and other applicable cybersecurity policy across DLA IT, Cloud, and OT technologies, spanning both unclassified (NIPRNet) and classified (SIPRNet) systems.
Security Engineer III, Exploitation Analyst / Incident Responder (TS Clearance) Deloitte Touche Tohmatsu LtdSecurity Engineer III, Exploitation Analyst / Incident Responder (TS Clearance)VA$102,500–$188,900 / yearExperience with network traffic analysis, log analysis, digital forensics, Windows, Linux, macOS, common network protocols, scripting languages such as Python, PowerShell, or Bash, and security monitoring tools such as security information and event management (SIEM), intrusion detection systems (IDS), intrusion prevention systems (IPS), or endpoint detection and response (EDR). The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
Senior AI/ML Security Engineer Markesman GroupSenior AI/ML Security EngineerFort Meade, MarylandThis role focuses on identifying vulnerabilities, conducting red-team assessments, and analyzing model behavior to understand potential security risks and operational impacts. The AI / ML Security Engineer will support the evaluation, testing, and security assessment of machine learning systems, including large language models (LLMs).
Mid Forescout Cyber Security Engineer - TS/SCI Maania Consultancy ServicesMid Forescout Cyber Security Engineer - TS/SCIReston, VADoD 8570 Cybersecurity Service Provider - Infrastructure Support Certification (CSSP-IS), including CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND. DoD 8570 IAT Level III Certification such as SecurityX, CCNP Security, CISA, CISSP, GCED, GCIH, CCSP.
Security Engineer - Remote ICF International, IncSecurity Engineer - RemoteReston, VARemote$98,614–$167,644 / yearPay Range- There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. If you accept this position, you should note that ICF does monitor employee work locations and blocks access from foreign locations/foreign IP addresses, and also prohibits personal VPN connections.
Senior Embedded Hardware Security Engineer Mitre CorpSenior Embedded Hardware Security EngineerMcLean, VA$126,800–$158,500 / yearQualified candidates will join a department with deep technical expertise across many embedded security disciplines including software vulnerability research and reverse engineering, hardware reverse engineering, secure computing, implementation security, and wireless security. Basic Qualifications: Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or a related technical field and 5 years of related experience; or Master's degree/PhD in a similar field and 3 years of related experience.
Cyber Security Project Engineer Armison TechCyber Security Project EngineerChantilly, VirginiaYou will provide subject matter expertise in technical risk analysis of enterprise and mission systems, IT systems and networks, mobile and wireless networks, cloud-based computing, and scripting or programming products. As we help each of our new employees make adjustments to our operational methods, we make sure every professional is able to handle the workload of each project by resolving any relevant concerns or issues they may have relating to this recent career shift.
Senior Trellix Cybersecurity Engineer/RMF ISSO – TS/SCI ZTI Solutions, LLCSenior Trellix Cybersecurity Engineer/RMF ISSO – TS/SCIFalls Church, Virginia$160,000–$190,000Job Description: ZTI is seeking a Senior Trellix Cybersecurity Engineer with RMF ISSO expertise to architect, implement, and manage a comprehensive Trellix security environment while supporting RMF compliance activities for a high-visibility Chief Digital and Artificial Intelligence Office (CDAO) mission focused on AI/ML development and securing advanced data systems . This role requires expertise in deploying Trellix from the ground up , configuring and managing all modules, performing STIG compliance across integrated devices including Microsoft SQL, and ensuring cybersecurity compliance through direct ISSO responsibilities.
Systems Engineer– Top Secret/SCI | Quantico, VA Cambridge International Systems IncSystems Engineer– Top Secret/SCI | Quantico, VAQuantico, VAFull timeRequired Qualifications: Education & Experience: Bachelors ‘s degree in Information Technology, Computer Science, Systems Engineering, or related field with 5+ years of relevant experience required; 7 + years may be substituted in lieu of a degree. Design & Implementation Design and deploy virtual infrastructure solutions—including clusters, shared storage, networking, and lifecycle management—following best practices for performance and security.