Senior Information System Security Engineer ManTechSenior Information System Security EngineerWashington, DCHold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP) CE, Certified Secure Software Lifecycle Professional (CSSLP), CISSP- Information System Security Engineering Professional (ISSEP), Certified Information Security Manager (CISM), or CISSP- Information System Security Architecture Professional (ISSAP). + Knowledge of federal cybersecurity directives and frameworks, including CISA Emergency Directives (EDs), Binding Operational Directives (BODs), and DOJ Vulnerability Patch Requirements (VPRs).
LEAD IT SYSTEMS ENGINEER - PUB SEC Lumen Technologies IncLEAD IT SYSTEMS ENGINEER - PUB SECHERNDON, VA$150,364–$180,152 / year5+ years of experience with system security concepts, system security assessments, threat and vulnerability management, penetration testing, vulnerability assessments, vulnerability mitigation, and/or implementing and managing penetration testing tools. Strong technical skills and understanding of information systems, network protocols, firewalls, intrusion prevention systems, log management, network behavior analysis, vulnerability scan tools and processes.
Mission Critical Cyber Security/ISSO opportunity - TS/SCI w/ Poly required Leading Path ConsultingMission Critical Cyber Security/ISSO opportunity - TS/SCI w/ Poly requiredMcLean, VA$175,000–$250,000The successful candidate will have requisite cyber security experience with methods and tools used to improve the security posture of critical systems such as identifying risks, vulnerabilities, anomalies, patching, auditing, automation, security hardening, best practices, and evaluating system changes. Applied experience with open-source and commercial tools and systems such as nmap, Nessus, Rapid7, Splunk, Nipper, Elasticsearch, Jira, Confluence, Cisco, VMware, Citrix, or Trellix, as well as GOTS tools used by the customer.
Mission Critical Cyber Security/Isso Opportunity - Ts/Sci W/ Poly Required Leading Path ConsultingMission Critical Cyber Security/Isso Opportunity - Ts/Sci W/ Poly RequiredMcLean, VAThe successful candidate will have requisite cyber security experience with methods and tools used to improve the security posture of critical systems such as identifying risks, vulnerabilities, anomalies, patching, auditing, automation, security hardening, best practices, and evaluating system changes. Applied experience with open-source and commercial tools and systems such as nmap, Nessus, Rapid7, Splunk, Nipper, Elasticsearch, Jira, Confluence, Cisco, VMware, Citrix, or Trellix, as well as GOTS tools used by the customer.
Information System Security Officer Parsons CorpInformation System Security OfficerColumbia, MD$103,500–$181,100 / yearKnowledge of Enterprise Mission Assurance Support Service (eMASS) Exposure to AWS (Amazon Web Services), ACAS (Security scanning software), vCenter, WSUS (Windows Server Update Service), and/or STIGs/IAVA. One of following security certifications (active status): CAP, CASP+ CE, CISM, CISSP (or Associate), GSLC, CCISO - (minimum DoD 8570 IAM Level II Certification).
703 Cybersecurity Information System Security Officer ISSO Arlo Solutions LLC703 Cybersecurity Information System Security Officer ISSOArlington, VADesired Qualifications: Candidates should demonstrate experience with: DoD Risk Management Framework (RMF) and Assessment & Authorization (A&A) Continuous Monitoring (ConMon) and cybersecurity governance System Security Plans (SSPs), Security Assessment Reports (SARs), Risk Assessment Reports (RARs), and POA&M management Security control implementation, validation, inheritance, and reciprocity Vulnerability management, STIG compliance, ACAS, and cybersecurity reporting eMASS, Xacta, or comparable Governance, Risk, and Compliance (GRC) platforms Microsoft Windows, Linux, virtualization, enterprise networking, and cloud environments supporting FedRAMP High and the DoD Cloud Computing Security Requirements Guide (SRG) Zero Trust Architecture (ZTA) and secure system engineering principles. This hybrid position supports cybersecurity operations at the Pentagon and Alexandria, Virginia, providing leadership across the full DoD Risk Management Framework (RMF) lifecycle for multiple information systems supporting Controlled Unclassified Information (CUI) through classified environments.
NewSecurity Officer Part Time Access Compliance Allied UniversalSecurity Officer Part Time Access ComplianceAshburn, VAConduct regular and random patrols of assigned interior areas, exterior grounds, and perimeter locations to help to deter unauthorized access and identify security-related concerns. What You'll Do: Provide customer service to employees, visitors, and vendors at a financial institution by carrying out access control procedures, site-specific policies, and when appropriate, emergency response activities.
Senior Systems Administrator Securiport LLCSenior Systems AdministratorReston, VAThe Senior Systems Administrator is responsible for leading and performing advanced IT infrastructure and systems administration activities, including the installation, configuration, administration, support, maintenance, and optimization of IT software and hardware systems, data and voice network systems, internal databases, and enterprise platforms. The Senior Systems Administrator also provides technical leadership, guidance, coaching, and mentoring to junior systems administrators and support staff, while serving as an escalation point for complex systems, network, server, cloud, and end-user computing issues.
Senior Information System Security Engineer (ISSE) LeidosSenior Information System Security Engineer (ISSE)Alexandria, VirginiaThis role is pivotal in ensuring the confidentiality, integrity, and availability of cloud-hosted assets while enabling secure innovation at scale by working closely with cloud engineers, cybersecurity analysts, and program leadership to drive continuous improvement and deliver value to the mission. The Digital Sector at Leidos is seeking a dynamic Information Systems Security Engineer (ISSE) to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area.
Senior Information System Security Officer Core One Solutions LLCSenior Information System Security OfficerMcLean, VADevelop, review, and maintain accreditation artifacts including System Security Plans (SSPs), Security Assessment Reports (SARs), Risk Assessments, and POA&Ms. Bachelor's Degree, or more advanced degree, in Information Technology, Computer Science, Cybersecurity, Computer Engineering, or Information Systems or related field.
Information System Security Officer, Mid Booz Allen Hamilton IncInformation System Security Officer, MidVA$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. Experience reviewing NESSUS or ACAS vulnerability scans and reviewing audit logs, including Security Technical Implementation Guides (STIGs) and Information Assurance Vulnerability Alerts (IAVA).
Embedded Service Technician I Securitas Technology CorpEmbedded Service Technician ILorton, VASecuritas Technology Corporation (STC) Technology and Solutions groups are experiencing tremendous success, and we currently have an Embedded Technician opening for team-oriented individuals possessing vocational training in electronics or electromechanical engineering. Performs scheduled, routing preventive maintenance on a variety of equipment/systems under contract agreement by inspecting, adjusting, cleaning, and calibrating systems and checking out equipment to ensure it's in satisfactory working order.
Senior Cloud & Security Engineer UnacastSenior Cloud & Security EngineerAshburn, VARemote$130,000–$170,000 / yearAs AI tools become embedded in engineering workflows, this role will support Unacast's responsible adoption of AI by helping define approved tools, appropriate use of company and customer data, and guardrails to protect against data leakage, prompt injection, and other AI- specific risks. Educate engineering and non-technical teams on safe AI practices, including prompt hygiene, awareness of prompt injection and data exfiltration risks, and secure use of agentic tools perform actions within company systems.
Security Officer - Unarmed Patrol Associate Allied UniversalSecurity Officer - Unarmed Patrol AssociateLeesburg, VirginiaAdditional responsibilities include controlling access and egress; monitoring CCTV and alarm systems; composing detailed reports; deterring criminal activity and misconduct; and performing duties in accordance with site-specific post orders. Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose.
Systems Integration Representative Everon JobsSystems Integration RepresentativeColumbia, MarylandUtilizing approved marketing materials to demonstrate sales presentations and proposals to prospective customers; assuring that the customers understand the value proposition and positive advantages of Everon’s products and services over those of the competition. Must demonstrate professional knowledge with an in depth understanding of all or most of the following systems: fire alarm/life-safety, intrusion alarm, access control, video surveillance, nurse-call, plus low voltage systems in general, installation, testing, inspection and maintenance.
Senior Software Systems Engineer- TS/SCI with Poly Navius TechnologiesSenior Software Systems Engineer- TS/SCI with PolyAnnapolis Junction, MarylandYou'll work directly with technical teams and stakeholders to shape complex system architectures, integrate scalable software solutions, and ensure end-to-end technical alignment using modern engineering frameworks. Navius Technologies is a mission-driven technology startup built by a team of high-performance professionals with decades of combined experience in the Intelligence Community, cybersecurity, and commercial sectors.
Systems Engineer Accenture Federal ServicesSystems EngineerArlington, VAThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $106,300—$221,100 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
NewInformation System Security Officer (ISSO) ASSYST, Inc.Information System Security Officer (ISSO)Washington, DCThe ISSO will work closely with system owners, security teams, and government stakeholders to support the Risk Management Framework (RMF), system authorization activities, continuous monitoring, and cybersecurity risk management. ASSYST delivers comprehensive cybersecurity solutions to Federal, State, and Local government agencies, helping organizations strengthen their security posture and achieve regulatory compliance.
Information System Security Officer - Senior ECS Federal LLCInformation System Security Officer - SeniorWashington, DCThe ideal candidate will bring strong attention to detail, documentation discipline, risk awareness, customer communication skills, and the ability to collaborate with cybersecurity, engineering, operations, program leadership, and government stakeholder teams in a classified or sensitive federal mission environment. This position will coordinate remediation activities, support continuous monitoring updates, track security findings, work with technical teams to gather evidence, and help ensure systems remain aligned with federal security requirements and mission needs.
Information System Security Manager (ISSM) Johns Hopkins University Applied Physics Laboratory LLCInformation System Security Manager (ISSM)Laurel, MDWe are ranked as one of Computerworld 's Top Places to Work in IT for 6 years running and seeking motivated cybersecurity professionals to help us develop system security plans, handle cyber risk decisions, and enable our mission partners to innovate in a secure environment. Do you like collaborating with a team with varied strengths to tackle complex problems which enable research across space exploration, cybersecurity, national defense, and cutting edge technologies?.