System Administrator I (Infrastructure and Sustainment) VibrintSystem Administrator I (Infrastructure and Sustainment)Annapolis Junction, MDFull timeProvide support for the escalation and communication of status to agency management and internal customersOptimize system operations and resource utilization, and perform system capacity analysis and planningProvide in-depth experience in trouble-shooting IT systemsProvide detailed analysis and feedback to agency management and internal customers for escalated ticketsProvide support for the dispatch system and hardware problems and remains involved in the resolution processConfigure and manage Linux, Unix, and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performanceSupport the design of systems, mission architecture and associated hardwarePossess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)Analyze and resolve complex problems associated with server hardware, applications and software integrationQualifications: Bachelor's degree in a technical disciplineMinimum of three (3) years of system administration experience or eight (8) years' experience in lieu of degree. Required Skills:Ability to: Provide support for implementation, troubleshooting and maintenance of IT systemsProvide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problemsManage the daily activities of configuration and operation of IT systemsProvide assistance to users in accessing and using IT systemsProvide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problemsProvide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
Sr. Information Systems Security Officer (ISSO) Themis InsightSr. Information Systems Security Officer (ISSO)Fort Meade, MDExperience is to include at least two (2) of the following areas: knowledge of current security tools, hardware/software security implementation; communication protocols; and encryption techniques/tools. Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative.
Linux Systems Admin L2 -3 Jovian ConceptsLinux Systems Admin L2 -3Annapolis Junction, Annapolis JunctionConfigures and manages LINUX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Configure and manage LINUX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
NewInformation Systems Security Officer ISSO 1 | TS/SCI w/ poly Security Clearance Tulzi TechnologiesInformation Systems Security Officer ISSO 1 | TS/SCI w/ poly Security ClearanceAnnapolis Junction, MarylandTulzi Technologies, LLC (Tulzi) prides itself on an open, and honest culture in the workplace which builds morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility. Experience is to include at least one (1) of the following areas: knowledge of current security tools, hardware/software security implementation; communication protocols; and encryption techniques/tools.
Information Systems Security Officer (ISSO) — Subject Matter Expert, Level I RividiumInformation Systems Security Officer (ISSO) — Subject Matter Expert, Level IWashington, District of ColumbiaThe Information Systems Security Officer (ISSO) - Subject Matter Expert (SME), Level I is responsible for providing comprehensive cybersecurity support for a portfolio of 130+ Department of Homeland Security (DHS) Intelligence Enterprise (DHS IE) information systems spanning classified and unclassified environments, including on-premises, cloud, hybrid, and cross-domain solutions. In addition to traditional ISSO responsibilities, the incumbent serves as the Sensitive Compartmented Information Facility (SCIF) Information Security Compliance Representative (ISCR) , ensuring assigned SCIF systems, hardware, and facilities remain compliant with Intelligence Community security policies and accreditation requirements.
Information Systems Security Officer (ISSO) 2 AmentumInformation Systems Security Officer (ISSO) 2MarylandAs appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams. Experience in at least two of the following areas is required: knowledge of current security tools, hardware/software security implementation; communication protocols; or encryption tools and techniques.
Information Systems Security Officer (ISSO) 2 Amentum Services IncInformation Systems Security Officer (ISSO) 2Linthicum, MD$175,000–$190,000 / yearAs appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams. Experience in at least two of the following areas is required: knowledge of current security tools, hardware/software security implementation; communication protocols; or encryption tools and techniques.
Information Systems Security Officer Level 1 Verite Group, Inc.Information Systems Security Officer Level 1Fort Meade, MDPreparing and reviewing documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs). Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system, program, or enclave.
Systems Administrator Verite Group, Inc.Systems AdministratorAnnapolis Junction, MDConfigures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems (U) Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
Systems Administrator 1 | TS/SCI w/ poly security clearance Power3 SolutionsSystems Administrator 1 | TS/SCI w/ poly security clearanceAnnapolis Junction, MarylandConfigures and manages Linux, Unix, and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
Cyber Systems Administrator, AI/ML Support TS/SCI w Poly Peraton IncCyber Systems Administrator, AI/ML Support TS/SCI w PolyLaurel, MD$86,000–$138,000 / yearAs part of a collaborative, high-impact integrated product development team, you'll work on next-generation cyber and AI/ML capabilities hosted on large-scale compute clusters and AWS Cloud infrastructure. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.
Alternate Information Systems Security Manager (AISSM)/Assistant Contractor Special Security Officer (ACSSO) Special Programs The University of Texas at AustinAlternate Information Systems Security Manager (AISSM)/Assistant Contractor Special Security Officer (ACSSO) Special ProgramsWashington, DC$83,000–$124,800 / yearAssist the Special Programs ISSM in providing technical planning, expertise, oversight and daily administration of security actions for classified information systems ranging in a wide degree of complexity, and works directly with information system sponsors and sponsor ISSMs to meet Federal requirements under the Risk Management Framework (RMF) and to maintain system authorizations. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
Information Systems Security Officer 2 ItezzInformation Systems Security Officer 2Annapolis Junction, MarylandCompensation will vary dependent upon factors including but not limited to: Government contract rates; annual hours worked; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location. Itezz Inc. partners with federal agencies to solve complex technology challenges, drive digital transformation, and ensure mission-critical systems perform at the highest levels.
NewSchool Information Assistant (Office Automation) U.S. Department of DefenseSchool Information Assistant (Office Automation)Washington, DC$37,937–$50,428 / yearFOREIGN EDUCATION: If you are using education completed in foreign colleges or universities to meet the qualification requirements, you must show the education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs and such education has been deemed equivalent to that gained in an accredited U.S. education program; or full credit has been given for the courses at a U.S. accredited college or university. Time-in-grade documentation: If you are applying for a higher grade and your SF-50 has an effective date within the past year, it may not clearly demonstrate you meet the one year time-in-grade requirement so you will need to provide an SF-50 which clearly demonstrates you meet the time-in-grade requirements (examples of appropriate SF-50s include Promotions, Within-grade Grade/Range Increases, and SF-50s with an effective date more than one year old).
Information Systems Security Officer (Isso) LV8D SolutionsInformation Systems Security Officer (Isso)Chantilly, VAPrepare and review Risk Management Framework (RMF) documentation to include System Security Plans (SSPs), Authorization to Operate (ATO) packages, Risk Assessment Reports (RMR), Security Control Traceability Matrices (SCTMs), Plans of Action and Milestones (POA&M), System Assessment Plans, and Continuous Monitoring Plans . LV8D Solutions is an elite Systems Engineering and Technical Advisory (SETA) company that delivers advanced systems engineering, integration, acquisition, mission operations, network communications, and cybersecurity support to our defense and intelligence customers.
System Administrator Level 1 - (Linux, Unix, Windows) AkinaSystem Administrator Level 1 - (Linux, Unix, Windows)Annapolis Junction, MarylandConfigures and manages Linux, Unix, and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
Information Systems Security Officer 3 ItezzInformation Systems Security Officer 3Annapolis Junction, MarylandCompensation will vary dependent upon factors including but not limited to: Government contract rates; annual hours worked; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location. Itezz Inc. partners with federal agencies to solve complex technology challenges, drive digital transformation, and ensure mission-critical systems perform at the highest levels.
Information Systems Security Officer(ISSO) LeidosInformation Systems Security Officer(ISSO)Laurel, MarylandWithin Leidos' Cyber & Analytics Business Area, Key Management & Analytics Division , you'll work alongside professionals supporting sophisticated national-security capabilities in areas including Security Engineering, Computer Network Operations (CNO), Mission Software, Signals Intelligence (SIGINT), Cryptographic Key Management, and systems integration. August 12, 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.
Sr. System Administrator Power3 SolutionsSr. System AdministratorMarylandConfigures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
Principal System Administrator Power3 SolutionsPrincipal System AdministratorMarylandConfigures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.