NISSC 3 Systems Support Specialist III - LEAD
$88.99 per hourAmerican 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 (DoW 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 DoW/Military training in systems administration, network operations, or a related technical discipline.Minimum: Active TS/SCI clearance required to start.Holds a DoW 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
$94.4k - $156k
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...SuggestedContract work- ...desktop, server, storage, network, and mobile systems connected to local and wide area networks... ...area system administration functions. Support the implementation, troubleshooting,... ...technical discipline. Experience Level: Level III, with senior-level experience...SuggestedFor subcontractorLocal area
$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$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... ...Qualifications: · 3+ years of IT support experience with exposure to...SuggestedLocal areaMonday to Friday- ...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...SuggestedFull timeFor contractorsWork at officeImmediate start
- ...environment as well as providing secondary support for network architecture-... ...upgrades, additions, and new systems as projects dictate- Participates as a Tier 3 Technician in the IT Helpdesk topology... ...with VMWare ESXi or other leading hypervisors and SAN Storage Architecture...
- ...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 timeFor contractorsLocal areaMonday to FridayDay shift
$88.8k - $162.8k
...strategies. You will work with leading-class teams and solutions,... ...Symbol Adjusted Trial Balance System (GTAS), and Department of the... ...posting logic compliance.Validate supporting documentation, zero-sum balance... ...Required: Bachelor’s degree 3+ years of experience reviewing...Local area- ...and integrity at our core, we lead federally funded research and... ...toughest technical challenges, supported by competitive benefits, meaningful... ...:The Cryptography, ICAM, and System Assurance department is... ...position requires a minimum of 3 days a week on-site.Preferred...Local area3 days per week
- *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
$30 - $31.5 per hour
...associated with the position of Administrative Support Specialist III in support for the NIH, Laboratory... ...arrive to work at 7:00am and depart at 3:30pm. (Monday through Friday).... ...for facility supplies using the NIH POTS system. Track supply requests/orders and complete...Hourly payContract workWork at officeMonday to Friday$120k
...Description Job Description Tier III NOC Technician Washington,... ...technical expertise ~ Lead troubleshooting and resolution... ...Perform advanced network and system performance analysis using... ...complex technical issues ~ Supporting large-scale enterprise...Permanent employmentRemote workFlexible hoursNight shiftRotating shift- ...configure, and maintain servers, storage and network devices, networks, network cabling and other related equipment, devices, and systems- Evaluate and/or recommend purchases of servers, network hardware, peripheral equipment, and software- Investigate problems, identify...
$69.4k - $158k
Information Systems Security Officer, LeadThe Opportunity... ...that plan needs to support the Department of War's... ...need you, a cybersecurity specialist with the expertise... ...ISSO) on our team, you’ll lead the assessment of the Department... ...GEDDoD 8570 IAM Level III CertificationNice If...Full timeContract workPart timeWork at officeLocal areaRemote work$70k - $85k
...equipment backups to maintain mission critical systems to safely run equipment. You will be based... ...a VOM meter and oscilloscope.Provide PC support including Windows operating system and... ...work nights, weekends, and holidays.You Have:3-5 years of electro-mechanical experience....Work experience placementNight shiftWeekend work- ...Student Peer Support Specialist III Non-FWS Position Details Fill out your application carefully and completely, including attaching the correct documents as requested. You will NOT be able to withdraw and reapply if you make a mistake. Positions may close unexpectedly...Hourly paySummer workWork at office
- ...technical resource within the IT Support function, responsible for designing... ...environments that support avionics test systems and broader business operations. This role leads infrastructure and security... ...Levels 1 and 2 Serve as the Tier 3 escalation point for complex hardware...Hourly payTemporary workWork at officeLocal areaRemote work
$129.36k - $215.6k
...apply now. We are currently seeking a Lead IAM Systems Analyst to join our team in Seattle,... ..., vaulting, and password management. Support the larger IT Security team from an IAM... ...part of NTT Group, which invests over $3 billion each year in R&D. Whenever possible...Temporary workWork at officeRemote workFlexible hours- ...CONTRACT AWARD**Overview: Job Title: Lead Information System Security Officer (ISSO) Security Clearance... ...Management Framework (RMF) sustainment support in Washington, D.C., for a new contract... ...RMF/ISSO work. Minimum three (3) years leading ISSO or authorization teams...Contract work
$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$55k - $68k
.... Aretum is searching for a talented Biomedical Engineering Support Specialist III to join our dynamic team. In this critical role, you will provide... .../or unscheduled maintenance Document using VA’s electronic system according to the VA standards Requirements A minimum of five...Full timeContract workTemporary workLocal area- ...available plus relocation funding. The Lead Aircraft Mechanic level III role will lead contractor mechanics... ...AFB, WA with potential TDY support to other KC-135 locations as directed... ...controls, hydraulics, pneumatics, fuel systems, mechanical systems, electrical systems...Contract workFor contractorsLocal areaRelocationShift work
- ...Description Job Description Provides technical engineering support to the design, integration, and evaluation of tools and... ....2. Support integration planning with existing CBP/DHS systems, subject to Government direction.3. Develop technical artifacts (e.g., interface specs,...
- ...Responsibilities: Provide advanced project and administrative support with minimal supervision Support Project Managers by... ...to manage and maintain electronic records and document control systems Familiarity with office equipment for scanning, filing, and...For contractorsWork at office
$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- ...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
$115k - $140k
...Job Description Job Description Position Summary: As a Systems Administrator and Senior IT Support Specialist, you will manage, operate, sustain, and provide advanced support for Sigmatech's IT infrastructure. This dual-focus role serves as the primary technical...For contractorsWork at officeRemote workFlexible hours- ...integrity at our core, we lead federally funded... ...toughest technical challenges, supported by competitive benefits,... ...Space Intelligence Systems Department is looking for... ...s degree; or a PhD with 3 years’ experience; or equivalent... ...Contracting Level II or III, or NCMA CFCM or CPCM...Work experience placementLocal area
- 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
- ...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
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to NISSC 3 Systems Support Specialist III - LEAD. Be the first to apply!
- family support specialist Arlington, VA
- computer network support specialist Arlington, VA
- event support specialist Arlington, VA
- application support associate Arlington, VA
- computer support specialist Arlington, VA
- support specialist remote Arlington, VA
- mission support specialist Arlington, VA
- supported employment specialist Arlington, VA
- recruiting support specialist Arlington, VA
- integration support specialist Arlington, VA


