Cyber Security Operations Jr Analyst SPAHR SOLUTIONS GROUP LLCCyber Security Operations Jr AnalystFort Belvoir, VAFull timeCollect and analyze network and/or host artifacts from a variety of sources to include logs, system images and packet captures to characterize activity, determine root cause, operational impact, and to enable rapid remediation and/or mitigation of cyber threats within the Enterprise Network through the investigation process. Working with the DTRA J6C, contractor CSSP analysts and engineers shall collaborate with various teams throughout the agency to process intelligence, determine threat, develop mitigations, monitor for attacks, and assess risk while providing cyber based Situational Awareness to agency leadership and stakeholders.
Security Officer - DoD Top Secret SCI Clearance Required Allied UniversalSecurity Officer - DoD Top Secret SCI Clearance RequiredArlington, VirginiaPart timeProvide customer service to employees, visitors, and vendors at a corporate technology location by carrying out security-related procedures, site-specific policies, and, when appropriate, emergency response activities. You will monitor and patrol assigned areas, maintain a visible presence to help deter security-related incidents, respond to concerns, and deliver exceptional customer service and communication.
Protective Security Specialists - WPS III (Somalia) Acuity InternationalProtective Security Specialists - WPS III (Somalia)Reston, VA, VAExperience may be gained in the employ of any national, state, provincial, local, or commercial entities providing armed protective services that require skills similar to those identified in the PSS training course as outlined in WPS III IDIQ, Attachment 2, Training. Upon bio approval and before beginning work on the contract, the PSS shall: Attend and successfully complete the PSS training course, as outlined in WPS III IDIQ, Attachment 2, Training.
Appian Security Developer - CLEARED The Squires GroupAppian Security Developer - CLEAREDArlington, VirginiaRemoteThis role will focus on implementing custom development, addressing cybersecurity requirements, and supporting security gap remediation efforts to help maintain compliance within a secure environment. Overview: The Squires Group is seeking an Appian Security Developer to support the development and security enhancement of an Appian-based process automation solution.
Appian Security Business Analyst - CLEARED The Squires GroupAppian Security Business Analyst - CLEAREDArlington, VAThis role will work closely with developers and security stakeholders to identify security gaps, validate solutions, and help ensure applications meet security and compliance requirements. The Squires Group is seeking an Appian Security Business Analyst to support security testing and remediation efforts for an Appian-based process automation solution.
Principal Cyber Security Architect LeidosPrincipal Cyber Security ArchitectGaithersburg, MarylandWe are building with an AI-first engineering mindset, embracing emerging AI capabilities and modern development practices to accelerate delivery, improve software quality, and continuously evolve how we design and build mission-critical systems. August 18, 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.
Senior Enterprise Security Architect Akamai Technologies, Inc.Senior Enterprise Security ArchitectWashington, DC$119,600–$215,400 / yearAs a Pre-Sales Senior Enterprise Security Architect, you will be responsible for: + Working closely with direct and channel sales to educate customers on Akamai's infrastructure security products, including Prolexic. You'll be focused on helping drive sales of our DDoS Mitigation suite of products as well as our growing suite of Security Posture Management and DNS products.
Security Guard - Part Time Visitor Management Allied UniversalSecurity Guard - Part Time Visitor ManagementReston, VirginiaPart timeAs a Front Desk Security Professional with Allied Universal, you will be the welcoming presence at a dynamic location, greeting visitors, managing access, monitoring activity, and responding to security-related concerns. Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose.
Security Officer DoD TS SCI Clearance Required Patrol Allied UniversalSecurity Officer DoD TS SCI Clearance Required PatrolHerndon, VirginiaFull timeAs an Unarmed Patrol Officer supporting a dynamic technology environment, you will conduct routine patrols, monitor assigned areas, help deter security-related incidents, and assist with access control. Conduct regular and random unarmed patrols of office floors, lobbies, parking areas, building perimeters, and other assigned areas to help deter unauthorized activity and identify security-related concerns.
Personnel Security Officer LeidosPersonnel Security OfficerChantilly, VirginiaInitiate, track, and document all aspects of personnel security functions for the IC including, but not limited to processing security clearances, reinvestigations, continuous vetting, outgoing visit requests, SOP/EOD coordination, badge renewals. Collaborate, communicate, and interface with applicants; Security professionals with Leidos; government entities, and customer sites; Program Managers; and Leidos business areas to provide status reports on various requests and activities.
Security Engineer, Vulnerability Management (Acas/Tenable.Sc) - Secret Clearance PGTEKSecurity Engineer, Vulnerability Management (Acas/Tenable.Sc) - Secret ClearanceFort Meade, MD$130,000–$160,000 / yearPGTEK 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.
NewApplication Security Engineer Booz Allen HamiltonApplication Security EngineerAnnapolis Junction, MarylandKnowledge of secure software development principles, modern application architectures, and modern software architectures, including cloud-native, microservices, APIs, containers, Kubernetes, and serverless environments. Experience applying industry frameworks such as OWASP SAMM, BSIMM, NIST SSDF, NIST CSF, NIST AI RMF, ISO 27001, ISO/IEC 42001, IEC 62443, and MITRE ATT&CK or ATLAS.
NewCyber Security Analyst LeidosCyber Security AnalystAdelphi, MarylandOur team protects a diverse, multi-tenant environment spanning on-premises infrastructure and leading cloud platforms, including AWS, Microsoft Azure, Google Cloud Platform (GCP), Oracle Cloud, and SaaS environments. Leidos is seeking a Cyber Security Analyst to support the C5ISR Defensive Cyber Solutions Branch (DCSB) and help protect critical Department of War networks, systems, and data from sophisticated cyber threats.
Cloud Security Architect Booz Allen HamiltonCloud Security ArchitectMcLean, VirginiaOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. You’ll work closely with stakeholders, Security and Compliance teams, and architects to implement secure cloud solutions, design assessment methodologies, and establish continuous monitoring strategies.
Artificial Intelligence National Security Analyst Johns Hopkins Applied Physics LaboratoryArtificial Intelligence National Security AnalystLaurel, MarylandFull timeWorking within the Advanced Mission Modeling and AI Group (JAM) in the National Security Analysis Department (NSAD), you will play a key role in integrating AI into analytic methodologies used across DoD and Combatant Command efforts providing critical solutions to critical challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewCyber Security Project Engineer RSEKURECyber Security Project EngineerChantilly, VAFull timeDemonstrated project management experience including project planning, task tracking, milestone management, and resource coordinationDemonstrated experience developing and maintaining program metrics, performance indicators, and compliance status dashboardsDemonstrated experience preparing technical reports, program highlights, status briefings, and leadership communicationsThe ability to work well independently as well as part of a team. Physical DemandsTo successfully perform the essential functions of the job, the employee needs to be able to sit at a workstation for extended periods; use hand(s) to handle or feel objects, tools, or controls; reach with hands and arms; talk and hear; see to read printed materials and computer screens; mobility to work in a typical office setting.
Security Site Supervisor (VAXCOM) ParsonsSecurity Site Supervisor (VAXCOM)Chantilly, VirginiaWe promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental.
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).
Assistant Contractor Special Security Officer (ACSSO) COPT DEFENSE PROPERTIES, LPAssistant Contractor Special Security Officer (ACSSO)Columbia, MD$65,000–$75,000 / yearPart timeThe ACSSO will be responsible for assisting the FSO to ensure the company’s adherence to policies and procedures of the National Industrial Security Operating Manual (NISPOM) and Intelligence Community Directives (ICD). PC proficiency including Microsoft Office applications (Word, Excel, PowerPoint, Outlook, etc.) and ability to learn company specific software.
National Security Business Development Executive InfleqtionNational Security Business Development ExecutiveWashington, DCEngage directly with government stakeholders, including Program Acquisition Executives (PAEs), Program Executive Offices (PEOs), procurement officers, OTA consortia, S&T/RDT&E directorates, and Combatant Commands, to understand mission needs and shape acquisition pathways. A detailed working knowledge of relevant processes and protocols and demonstrated success collaborating with or within Defense Primes on business development, capture, teaming, and integration strategies to align Infleqtion technology with large platform or mission system procurements.