NISSC 3 Systems Support Specialist III - LEAD
$94.4k - $156kAmerican Systems
Overview AMERICAN SYSTEMS is seeking our next Systems Support Specialist LEAD! AMERICAN SYSTEMS is seeking a Systems Administrator, Senior to support the NISSC program at the Pentagon in Arlington, Virginia. This position provides onsite and oncall support for mission systems, ensuring system availability, responsive user support, and rigorous documentation in a TS/SCI environment. Responsibilities • Provide onsite and on call system administration and operational support for mission systems located at the Pentagon. • Perform troubleshooting and corrective actions for hardware, software, network, and system performance issues. • Conduct preventive and corrective maintenance, including applying patches, updates, and configuration changes. • Provide user support and training, resolving access and usage issues and documenting recurring problems. • Collect and maintain operational logs, incident and deficiency reports, and checklists per program and security standards. • Execute incident response, including triage, escalation, coordination, and closure documentation. • Perform backup and restore operations to ensure data protection and continuity of operations. • Support system administration and database related activities as needed for mission systems. • Ensure procedural compliance and that all records and reports meet operational, security, and audit requirements. • Act as a technical resource for performance optimization, data integrity, and status reporting to management. Qualifications • 7–10 years of relevant experience in systems or network administration, systems support, or similar technical roles in secure, mission critical (DoD or similar) environments.• Strong leadership capabilities in directing project/task execution across domains such as maintenance, integration, and data management. • Experience allocating resources, monitoring progress, and ensuring quality deliverables. • Demonstrated ability to resolve operational issues and provide precise, timely status updates to management and stakeholders. • Experience managing schedules and aligning tasks with program objectives to support integrated operations across functional domains. • Strong documentation skills for logs, incident reports, and technical records.• Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, Information Systems, Data Science, Software Engineering, or a closely related field, OR Equivalent DoD/Military training in systems administration, network operations, or a related technical discipline. • Minimum: Active TS/SCI clearance required to start. • Holds a DoD 8140 qualifying certification; one or more of the following (or equivalent) is required/preferred:– Cloud+ – GSEC – Security+ – SSCPNotice of Anticipated Employment OpportunitiesThese positions are being posted in anticipation of future employment opportunities, which may become available beginning around June 2026. Actual hiring and start dates will depend on contract award, organizational needs and other factors. Candidates may be considered for these or similar positions as opportunities arise.AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $94,400.00/Yr. - USD $156,000.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance. Pay Transparency Statement AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $110,800.00/Yr. - USD $185,100.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance. EEO Statement EEO Race/Sex/Disability Status/Veteran Status Job SummaryCategory: Software & Systems DevelopmentPosition Type: Full-TimeRemote: NoClearance Required: Top Secret/SCI
$150k - $175k
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal... ...contracting company, is seeking a Lead Systems Administrator... ...experience to support a Special Access Program... ...teams, and providing Tier III support for systems that... ...Administration that includes 3-5 years of Linux...SuggestedLocal areaRemote workRelocation package- About DMIDMI is a leading provider of digital services and technology... ...application development, DMI supports public sector agencies and commercial... ..., LLC is seeking a Tier 3 Network Lead who owns the... ...SummaryJob ID: 2026-28756Category: System EngineeringLocation: US-DC-...SuggestedMonday to Friday
$135k - $216k
ResponsibilitiesPeraton is seeking an experienced Systems Integrator / Communications Lead to support a high-visibility customer mission environment. The selected... ...of experience with a BS/BA; 6 years with an MS/MA; or 3 years with a PhD. An additional 4 years of experience...SuggestedContract workWork at officeShift work$117.2k - $313.7k
...consider applying for a maximum of 3 roles within 12 months to... ...up your career at the company leading workforce transformation in... ...data pipelines and observability systems that power metrics, logging,... ...life. Our benefits and resources support you to find balance and be...SuggestedFull time- ...Enterprises International is seeking a Lead Security Specialist (Lead Personnel Security and Facility Specialist) to support the U.S. Department of... ...area hardware (alarm systems/safes/swipe access), and manage... ...Experience: At least three (3) years of specialized experience...SuggestedFor contractorsWork at officeImmediate start
- ...for a dedicated Perioperative Support Specialist 1 to join the team! This role... ...Monday-Friday from 7:00am to 3:30pm. Will also support... ...Independently accesses the OR computer system, correctly selects the... ...are Inova, Northern Virginia’s leading nonprofit healthcare provider...Full timeMonday to FridayDay shift
- Lead Solution Architect Location: McLean, VA Department: [e.g., IT / Engineering / Infrastructure... ...families—including diverse operating systems (Linux/Windows), storage arrays, software-... ...IT infrastructure, with at least 3+ years in a Lead Architectural role designing...Shift work
$90.3k - $189.6k
Job Title: Lead Senior Information System Security OfficerJob Category: Information TechnologyTime Type:... ...System Security Officer (Senior ISSO) to support the FEMA Office of the Chief... ...Information Assurance Technician (IAT) Level III qualifications: - Certified...Contract workWork experience placementWork at officeFlexible hours- *This is a contingent opportunityLead Security Support SpecialistK2 Group is searching for a Lead Security Support Specialist to support the Department of Homeland Security... ...Top Secret ClearanceMust have at least three (3) years specialized experience in adjudication...Temporary workFor contractors
$70k - $90k
...Description Position Title: Tier III Helpdesk Lead Location: Washington, DC... ...Schedule: Monday – Friday (3 Days on Site) Benefits:... ...within our ticketing system. · Diagnose and resolve advanced... ...Qualifications: · 3+ years of IT support experience with exposure to...Local areaMonday to Friday$69.4k - $158k
Learning Systems LeadThe Opportunity:As the Learning Systems Lead, you will serve as the primary functional contact for our learning platforms—including Workday... ...experience and operational efficiency.You will support the execution of the learning systems strategy defined...Full timeContract workPart timeWork at officeLocal areaRemote work- ...Passport Support Associate III CGI Federal is looking for experienced Support Associates to support... .... Per the guidance of DOS Passport Specialists, generate correspondence to resolve... ...and Re-issues, and re-batch into the system. Required Qualifications to Be Successful...Contract workWork at officeShift work
- ...mission-driven Rapid Response Team Lead to support the high-priority, time-... ...JNOSC, engineering teams, Tier III service desk, and external vendors... ...’s degree in Information Systems, Computer Science, Business Management... ...required ~ Experience: ~3+ years leading project teams...Full timeContract workImmediate startWorldwideNight shift
$117.2k - $313.7k
...consider applying for a maximum of 3 roles within 12 months to... ...up your career at the company leading workforce transformation in... ...future of Salesforce.Distributed Systems Software Engineer - Public... ...life. Our benefits and resources support you to find balance and be your...Full time$165k
Leidos is looking for an e-Discovery Systems Manager to support the Civil Rights Division of DOJ. This position requires 100% onsite presence in Washington... ...that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3...Full timeFor contractorsLocal area$131.3k - $237.35k
The Leidos DoW CIO Mission Support Services (CMSS) program is seeking a Systems Integration Lead Analyst to support planning and implementation of the DoW Information Enterprise... ...job requisition will remain open for at least 3 days with an anticipated close date of no...Full time$99k - $225k
Information System Security Officer, LeadThe Opportunity: We are seeking an experienced Information Systems Security Officer (ISSO) to support the cybersecurity and compliance needs of a U.S. government agency. The ISSO Lead will be responsible for ensuring the security...Full timeContract workPart timeFor contractorsWork at officeLocal areaRemote work- ...implements projects in support of sponsors’ strategic initiatives... ...a Master’s degree; or 3 years and a PhD; or... ...applying, teaching, or leading acquisition reform or... ...the Defense Acquisition System (DAS), Joint Capabilities... ...Engineering.APDP Level III (PM) or equivalent DAWIA...Work experience placementLocal areaShift work
- DescriptionSAIC is looking for an experienced Information System Security and Privacy Officer (ISSPO) to join our team supporting an important US government agency in the... ...agency policies and procedures. The ISSPO will lead, and guide efforts associated with obtaining and...Work at officeFlexible hours2 days per week
$80.43k - $157.24k
...Grants Management Systems Lead Georgetown University seeks an experienced grants management professional to lead the development, testing... ...of the university’s Grants Management System (GMS). The role supports the full grant lifecycle—from proposal development and...Work at officeRemote work- ...Job Description Job Description Desktop Support Analyst Washington DC - 100% ONSITE Long... ...below is for a 1st Shift Information Systems Analyst position, full-time ONSITE Washington... ...strong experience to serve as part of a Tier 2/3 organization. This contractor position...Long term contractFull timeContract workFor contractorsLocal areaMonday to FridayDay shift
$125k - $210k
...strengthen missions and drive lasting value. ResponsibilitiesLMI is seeking a skilled Sr. Systems Engineer / Endpoint Lead to manage systems engineering and endpoint device support across a network of technical communications facilities. This individual will lead a team...Full timeContract work$30 - $35 per hour
...The Folger Shakespeare Library, located on Capitol Hill in Washington, DC., seeks an IT Systems Support Specialist to join its Information Technology team. The IT Systems Support Specialist is an entry-level technical role responsible for delivering reliable and responsive...Hourly payWeekly payFull timeFor contractorsInternshipSeasonal workWork at officeRemote workMonday to FridayAfternoon shiftEarly shift- ...tailored solutions based on industry-leading practices. ProSidian provides... ...Seeks a Lead Instructional Systems Designer (ISD) / Project... ...Augmentation [WMATA0009008] for Program Support on a Exempt W2: No Overtime... ...| 2 - Continuous Learning | 3 - Leadership | 4 - Client...Full timeContract workTemporary workFor contractorsH1bWork at officeFlexible hours
$97k - $164.9k
...Position Overview The Systems Administrator Lead provides technical and leadership oversight for the administration of servers, operating systems, and core infrastructure services that support mission‑critical operations in a federal IT environment. The role directs day...Permanent employmentContract workWork experience placementWork at office$106.68k - $246.98k
...opportunity resides with Warfare Systems (WS), a business group... ...uniquely enable us to support sensitive missions for... ...Security Systems Specialist to join our team in... ...and education. Network 3 : $ 106,681- $ 198,121... ...and assist operations leads in creating deployment...Full timeWork experience placementLocal areaWorldwide- ...solutions based on industry-leading practices. We help forward-thinking... ...Seeks a Docket Support Specialist (SCA Code: -) in CONUS - Mid... ...and safety requirements, and 3) developing and delivering security... ...document control policies and systems and dockets. Experience: Applicant...Full timeTemporary workFor contractorsWork at officeLocal areaFlexible hours
- ...installing, programming, maintaining, and repairing these complex systems in high-security environments, ensuring compliance with codes,... ...leadership roles. Job Summary: As a senior technician, the Lead Security Systems Technician is responsible for independent field...Hourly payNight shift
- ...terminate, program, and optimize cabling and devices for access control, CCTV, and intrusion systems in commercial and federal environments. The ideal candidate has 2+ years in lead technical roles, is comfortable with networked security systems, and can train onsite...
- ...seeking a technical Security Tools Team Lead to join our dynamic team in supporting a critical US government agency in... ...and response solutions, DLP systems, web proxies, and intrusion detection... ...administration.At least two to three (2-3) years of experience in a leadership...Work experience placementWork at office2 days per week
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