Building Envelope Division Manager Hillis-CarnesBuilding Envelope Division ManagerAnnapolis Junction, MDFull timeHillis-Carnes Engineering Associates is a multidisciplinary engineering consulting firm providing geotechnical engineering, construction materials testing, special inspections, environmental consulting, and specialty engineering services throughout the Mid-Atlantic region. The successful candidate will manage a team of inspectors and consultants while coordinating specialized subcontractors performing field performance testing, including window air infiltration, water penetration, and nozzle testing services.
NewStaff Security Engineer Alarm.comStaff Security EngineerTysons Corner, VA$167,500–$180,500 / yearOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
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.
NewLead Security Engineer Revolutional, LLCLead Security EngineerMcLean, VA$140,000–$200,000 / yearWe apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. This program is driving a large-scale transformation of systems into a data-centric, cloud-native ecosystem capable of supporting high-volume, near real-time data processing and advanced analytics.
NewSME Hardware Reverse Engineer Solutions³ LLCSME Hardware Reverse EngineerArlington, VASolutions³ LLC is seeking an experienced and technically proficient Subject Matter Expert (SME) Hardware Reverse Engineer to provide specialized expertise in hardware reverse engineering focused on operational technology (OT) and industrial control systems. This position requires deep technical knowledge of proprietary hardware systems, exploitation methodologies, and defensive strategies to support forensic investigations of compromised edge devices and systems where threat actors have embedded malware deeply within hardware components.
NewCloud Security Engineer SteerBridgeCloud Security EngineerVienna, VAExperience 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. We don’t simply hire exceptional talent; we cultivate it , creating meaningful career pathways for veterans, military spouses, and professionals who share our passion for advancing technology and strengthening the missions we serve.
NewInfrastructure & Security Engineer SOLUTIONS FOR INFORMATION DESIGNInfrastructure & Security EngineerFairfax Station, VAThe role leads, owns, designs, administers, secures, and continuously improves SOLID's corporate and program-specific technology environments, including cloud services, servers, virtual machines, identity platforms, endpoints, networks, firewalls, backups, and monitoring tools. The position also supports Department of Defense Risk Management Framework and other federal cybersecurity requirements, including system hardening, vulnerability management, continuous monitoring, incident response, and Authority to Operate documentation.
NewAWS Security Engineer CMT Services IncAWS Security EngineerHyattsville, MD3+ years AWS security engineering experience with deep knowledge of AWS services (IAM, VPC, KMS, GuardDuty, CloudTrail, Security Hub, etc.). By submitting your resume for this job posting, you authorize CMT Services, Inc. to forward your resume to all applicable internal and external managers, agencies, and recruitment personnel for review and consideration to hire.
NewAI Security Engineer, AI Security Unit Check Point Software TechnologiesAI Security Engineer, AI Security UnitWashington, DCYou’ll help customers across industries operate with confidence in a rapidly changing digital world, working alongside smart, curious people who take ownership, challenge assumptions, and solve complex problems. This role combines hands-on manual and automated red teaming, client engagement, and the development of automation that helps scale testing efforts.
NewDHS Sr. Operational Technology (OT) Security Engineer OneZero SolutionsDHS Sr. Operational Technology (OT) Security EngineerWashington, DCThe result of these efforts will be that the systems meet all the requirements for ATO approval before they are officially submitted to the Office of Chief Information Officer (OCIO).Job SummaryServe as the Cybersecurity Assessment Team's principal Operational Technology SME.Participate in the development and implementation of comprehensive Cybersecurity program strategies, including OT security engineering design review, vulnerability assessments, penetration testing, and incident response planning. Operational Technology (OT) Security EngineerLocation: NCRClearance: TS /SCIOneZero Solutions is on contract to provide division-wide support for Federal Information Security Modernization Act (FISMA) compliance, execution of the Risk Management Framework (RMF) process to achieve and maintain Authority to Operate (ATO) security authorizations, and deliver cyber security compliance for DHS operational mission systems.
NewMid-Level Security Engineer HalvikMid-Level Security EngineerAlexandria, VAThis is a hybrid position based at the customer location in Alexandria, VA.Core ResponsibilitiesOperational Support: Configure and maintain data discovery and classification policies across assigned cloud, on-premises, SaaS, and developer repositories, supporting prioritized rollout to high-risk systems. Working under the direction of the Lead Senior Security Engineer and Program Manager, the Mid-Level Security Engineer helps operationalize policy controls, maintain compliance dashboards, and support remediation activities that protect sensitive agency and stakeholder information.
NewSecurity Engineer @OrchardSecurity EngineerBethesda, MD$75,000–$80,000 / yearBachelor’s degree in computer science, engineering, or a related field or an equivalent combination of education and experience and appropriate technical certifications, with at least twelve (12) years of experience in information technology and (4) years leading or performing systems engineering or related functions. Support a federal healthcare enterprise environment by collaborating with and providing support to other IT Operational Service Areas (Server/Storage, Network, Service Desk, Application Development) in the design, development, and testing of solutions, as well as diagnosing, troubleshooting, and remediation of issues.
NewSr. Security Engineer HalvikSr. Security EngineerAlexandria, VAThis is a Hybrid position requiring work at the customer location in Alexandria, VA.Core ResponsibilitiesStrategic Execution: Lead the architecture and phased rollout of enterprise data discovery, classification, and AI governance capabilities, prioritizing high-risk repositories and expanding coverage across cloud, on-premises, SaaS, and developer environments. This role leads the design, implementation, and operationalization of enterprise-scale data discovery and classification, AI governance and protection controls, and detection capabilities for emerging AI-native development artifacts (e.g., Markdown-based prompt files, cursor rules, GitHub Copilot instructions, and Model Context Protocol configuration files).
NewSenior Security Engineer Lentech Inc.Senior Security EngineerLinthicum, MDPreferred : Experience with systems engineering; Knowledge of the Risk Management Framework (RMF) process and NIST 800-53 security controls; Knowledge of a national agency’s corporate systems and their implementation of security controls; Knowledge of 800-53 security controls and how to apply them to a system; Ability to assess residual risk based on threat and security control implementation; Possession of excellent verbal and written communication skills; Bachelor's degree in a technical field. 6+ years of experience in system security engineering principles, including assessment of overall security posture of U.S. government computer networks; 5+ years of experience conducting and coordinating COMSEC, INFOSEC, or IA activities; Experience with requirements gathering and analysis and client and stakeholder engagement through working groups and technical exchange meetings; Knowledge of system or security architecture; Ability to work both individually and in a team environment in an enterprise-level organization; HS diploma or GED.
NewSecurity Engineer, Vulnerability Management (ACAS/Tenable.sc) - Secret clearance PGTEKSecurity Engineer, Vulnerability Management (ACAS/Tenable.sc) - Secret clearanceFort Meade, MD$130,000–$160,000 / yearJob Description Security Engineer, Vulnerability Management (ACAS/Tenable.sc)About the Role PGTEK is seeking a Security Engineer, Vulnerability Management with a Secret clearance (or higher) to administer and optimize our Tenable.sc/ACAS environment, drive vulnerability remediation across enterprise systems, and support compliance with DoD STIG and RMF requirements. The ideal candidate will have experience working in a DoD or federal environment and be comfortable managing vulnerability scanning and remediation across complex enterprise environments.
NewCloud Security Architect Genesis Consulting Partners, LLCCloud Security ArchitectWashington, DCGenesis Consulting is seeking an experienced Cloud Security Architect to support the GSA GO.gov travel modernization program by leading the design, assessment, and implementation of secure cloud architectures that comply with Federal security and risk management requirements. This profile reflects extensive experience leading FedRAMP sponsorships, GSA security engineering, cloud architecture reviews, and securing GO.gov and SAP Concur integrations.
NewInformation 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.
NewSubject Matter Expert II ARSIEMSubject Matter Expert IIArlington, VAThis position requires deep technical knowledge of proprietary hardware systems, exploitation methodologies, and defensive strategies to support forensic investigations of compromised edge devices and systems where threat actors have embedded malware deeply within hardware components. ARSIEM is looking for a Subject Matter Expert Hardware Reverse Engineer to provide specialized expertise in hardware reverse engineering focused on operational technology (OT) and industrial control systems.
NewLead Engineer – AI Security & Attack Simulation JobotLead Engineer – AI Security & Attack SimulationWashington, DCRemote$200,000–$300,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. You'll translate adversarial AI research and real-world attack techniques into scalable, repeatable security-testing capabilities while helping determine what gets built, why it matters, and how success is measured.
Senior ISSE/Penetration Tester TS/SCI Polygraph LeidosSenior ISSE/Penetration Tester TS/SCI PolygraphAnnapolis Junction, MarylandThe selected candidate will have a range of day-to-day responsibilities across multiple activities, including the following: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components. April 28, 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.