F5 Network Security Engineer, Senior Booz Allen Hamilton Inc.F5 Network Security Engineer, SeniorFort Meade, MD$86,900–$198,000 / yearThis position is built for someone who enjoys solving difficult networking problems, working hands-on with advanced F5 and load balancing technologies, and supporting mission-critical infrastructure where performance, resilience, and security matter every day. This role offers the opportunity to take ownership of meaningful technical challenges, collaborate with experienced engineering and cybersecurity teams, and help modernize secure communications infrastructure supporting national security missions.
Protective Security Operations Chief (Psoc) - WPS III (Somalia) Acuity InternationalProtective Security Operations Chief (Psoc) - WPS III (Somalia)Reston, VA, VACommunicate with entities outside the protection cell using a variety of voice‑ and text‑based communications technologies (e.g., local cell phone, regional and global satellite phone, tactical military radio, UHF/VHF radio). Must maintain physical fitness readiness that includes, but is not limited to: medium and/or long‑distance running, bench presses, agility runs, push‑ups, sit‑ups, and stretching.
Cyber Security Engineer V Redhorse CorporationCyber Security Engineer VWoodbridge, VAEducational Requirement: Bachelor’s degree in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, Computer Security, or Network Engineering. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.
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.
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 Systems Training Lab Manager Chenega Security International, LLCSecurity Systems Training Lab ManagerChantilly, VirginiaFull timeThe employee may work around equipment racks, control panels, workbenches, ladders, cabling, servers, tools, and electronic test equipment, and must be capable of performing hands-on installation, wiring, configuration, troubleshooting, and maintenance of laboratory systems and equipment. This role serves as the primary technical lead for the training lab, ensuring all access control, video surveillance, intrusion detection, networking, server, and training systems remain fully operational and ready to support instruction.
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.
Cloud Security Engineer DAn SolutionsCloud Security EngineerReston, VAFull timeBasic Qualifications:· 5+ years of experience building and administering cloud environments, utilizing cloud-native functionality, and COTs, GOTS, and open source tools to meet objectives· Experience with developing and evaluating security documentation, including system security plans, contingency plans, security procedures, and continuity of operations plans· Experience with security architecture evaluations, guidance development, and troubleshooting· Experience with the Risk Management Framework (RMF)· Experience with working in an Agile development environment· Knowledge of Infrastructure code concepts such as Terraform, CloudFormation, or Bicep· Associate's degree and 5+ years of experience supporting IT projects and activities, Bachelor's degree and 3+ years of experience supporting IT projects and activities, or Master's degree and 1+ years of experience supporting IT projects and activities· Ability to obtain a DoD 8570 IAT Level III Certification such as SecurityX (formerly CASP+), CCNP Security, CISA, CISSP (or Associate), GCED, GCIH, CCSP certification within 30 days of start date· Ability to obtain a DoD 8570 Cybersecurity Service Provider - Infrastructure Support Certification (CSSP-IS), including CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND Certification, within 30 days of start dateAdditional Qualifications:· Experience with the software development life cycle (SDLC)· Experience with cloud technologies· Possession of excellent team leadership, development, and client relationship skills· Possession of excellent interpersonal skills· Possession of excellent verbal and written communication skills REQUIRES AN EXISTING/ACTIVE TS/SCI WITH CI POLYGRAPH - NO REMOTE WORK, MUST WORK ON SITEJob Description:As a security engineer on our team, you'll evaluate and support the documentation, validation, assessment, and accreditation processes necessary to ensure that Information Technology (IT) systems meet the organization's Information Assurance (IA) and security requirements.
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.
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.
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.
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.
Physical Security Analyst NERC CareersPhysical Security AnalystWashington DC, District of ColumbiaWe exemplify NERC cultural behaviors: Reward, high-quality, creative, and innovative work; Attract, engage, and retain top talent; Value and respect diverse perspectives; Provide a safe, inclusive, and collaborative work environment; Form strong relationships within the company, and with the ERO Enterprise; We demonstrate curiosity in a wide variety of areas and are open to exploring new situations, knowledge and opportunities for growth and development; We demonstrate an anticipatory mindset; preventing problems, and building contingencies where appropriate; and. The E-ISAC works directly with asset owners and operators to sustain the reliability of the North American electric grid by monitoring and analyzing cyber and physical risks, providing timely and actionable information, and other product and services.
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.
Sr. Staff Site Reliability Engineer-Federal, Security Clearance Zscaler, Inc.Sr. Staff Site Reliability Engineer-Federal, Security ClearanceArlington, VA$140,000–$200,000 / yearThe range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.
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.
Security Officer I - Early Career Blue OriginSecurity Officer I - Early CareerWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
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.
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.
NewCloud Security Architect Booz Allen Hamilton Inc.Cloud Security ArchitectArlington, VA$62,000–$141,000 / yearOnsite: 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.