Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

NISSC 3 Systems Support Specialist III - LEAD

$88.99 per hour
Full-time

American 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

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the NISSC 3 Systems Support Specialist III - LEAD in Arlington, VA vacancy
  • $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... 
    Suggested
    Contract work

    AMERICAN SYSTEMS

    Arlington, VA
    3 days ago
  •  ...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... 
    Suggested
    For subcontractor
    Local area

    Vantage Systems

    Washington DC
    14 days ago
  • $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... 
    Suggested
    Local area
    Remote work
    Relocation package

    AMERICAN SYSTEMS

    Arlington, VA
    5 days ago
  • $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... 
    Suggested
    Local area
    Monday to Friday

    Addison Group

    Washington DC
    22 days ago
  •  ...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... 
    Suggested
    Full time
    For contractors
    Work at office
    Immediate start

    Chimera Enterprises International

    Washington DC
    more than 2 months ago
  •  ...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... 

    NTT DATA

    Arlington, VA
    4 days ago
  •  ...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 contract
    Full time
    For contractors
    Local area
    Monday to Friday
    Day shift

    System One

    Washington DC
    22 days ago
  • $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

    Deloitte

    McLean, VA
    23 hours ago
  •  ...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 area
    3 days per week

    Mitre

    McLean, VA
    3 days ago
  • *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 work
    For contractors

    K2 Group

    Washington DC
    4 days ago
  • $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 pay
    Contract work
    Work at office
    Monday to Friday

    FEFA LLC

    Bethesda, MD
    22 days ago
  • $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 employment
    Remote work
    Flexible hours
    Night shift
    Rotating shift

    System One

    Washington DC
    11 days ago
  •  ...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... 

    NTT DATA

    Arlington, VA
    4 days ago
  • $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 time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    4 days ago
  • $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 placement
    Night shift
    Weekend work

    Dow Jones & Company, Inc.

    Silver Spring, MD
    12 hours ago
  •  ...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 pay
    Summer work
    Work at office

    George Washington University

    Washington DC
    5 days ago
  •  ...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 pay
    Temporary work
    Work at office
    Local area
    Remote work

    3MD Inc.

    Washington DC
    14 days ago
  • $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 work
    Work at office
    Remote work
    Flexible hours

    NTT DATA, Inc.

    Washington DC
    6 days ago
  •  ...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

    C3EL

    Washington DC
    13 days ago
  • $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 time
    For contractors
    Local area

    Leidos

    Washington DC
    1 day ago
  • $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 time
    Contract work
    Temporary work
    Local area

    ARETUM Holdings LLC

    Bethesda, MD
    1 day ago
  •  ...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 work
    For contractors
    Local area
    Relocation
    Shift work

    S & K Technologies, Inc.

    Washington DC
    14 days ago
  •  ...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,... 

    Bow Wave LLC

    Arlington, VA
    22 days ago
  •  ...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 contractors
    Work at office

    SGS Consulting

    Washington DC
    more than 2 months ago
  • $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

    Salesforce

    Washington DC
    3 days ago
  •  ...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 time
    Temporary work
    For contractors
    Work at office
    Local area
    Flexible hours

    Prosidian Consultng

    Washington DC
    4 days ago
  • $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 contractors
    Work at office
    Remote work
    Flexible hours

    Sigmatech, Inc.

    Arlington, VA
    6 days ago
  •  ...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 placement
    Local area

    Mitre

    McLean, VA
    1 day ago
  • 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 office
    Flexible hours
    2 days per week

    Science Applications International Corporation

    Washington DC
    4 days ago
  •  ...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 placement
    Local area
    Shift work

    Mitre

    McLean, VA
    5 days ago

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!