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

Senior Windows Systems Administrator - Secret Clearance

California Network of Mental Health Clients

Senior Windows System Administrator

Founded in 1989, CALNET, Inc. has become one of the fastest growing privately held companies in the Technology, Intelligence Analysis, and Language Services consulting arena. Headquartered in Reston, VA, CALNET employees deliver true value to our customers by employing best practices, world-class technologies industry expertise in every project. CALNET is ISO 9001, ISO 20000, and CMMI-Level III certified As a Prime Government Contractor for a major government institution, we are currently searching for a talented Senior Windows System Administrator with Secret Clearance to work in Washington DC.

Job Requirements Windows Systems Administrator manages, secures, and optimizes an organization's Microsoft infrastructure. Key responsibilities include deploying virtual machines, managing network security, configuring Active Directory, monitoring system performance, automating tasks via PowerShell/CLI, and supporting hybrid environments to ensure high availability and compliance.

Key Responsibilities

  • Infrastructure Management: Provisioning, configuring, and managing resources, including virtual machines (VMs), virtual networks (VNets), storage accounts, and database services.
  • Security & Identity Management: Administering Microsoft Active Directory, implementing Role-Based Access Control (RBAC), managing user permissions, and ensuring compliance with security policies.
  • Monitoring & Optimization: Monitoring system health, performance, and usage metrics; performing cost optimization and troubleshooting incidents to ensure high availability.
  • Hybrid Integration: Supporting hybrid environments, on-premises networking, and server patching.
  • Backup & Disaster Recovery: Configuring and managing backups, replication, and data restoration services.

Certifications: CompTiA Security+

Typical Educational/Experience Requirements

  • Bachelor's degree in Computer Science, IT, or equivalent experience.
  • 5+ years of experience in Microsoft Windows system administration.

This opportunity is onsite in Washington DC CALNET, Inc. offers a competitive salary and a generous benefits package. This package includes medical, dental, vision, life, short- and long-term disability insurances, a 401(k)-retirement savings plan, and generous leave time. CALNET, Inc. is an Equal Opportunity Employer. EEO/M/F/D/V

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Windows Systems Administrator - Secret Clearance in Washington DC vacancy
  •  ...GCyber is seeking a Senior Windows System Administrator , to help support our government customer in Arlington, VA. The role focuses on ownership...  .... Minimum Qualifications and Experience Active Top Secret/SCI clearance Bachelor’s degree in a related discipline with 8+... 
    Secret clearance
    Senior
    Permanent employment

    GCyber

    Arlington, VA
    1 day ago
  •  ...Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows Systems Administrator leads complex system administration and endpoint configuration activities within the... 
    Secret clearance
    Senior
    Local area

    Black Bear Technology Solutions, LLC

    Hyattsville, MD
    24 days ago
  • $55 - $65 per hour

    Apex Systems is looking for a Windows Systems Administrator - Team Lead to support mission-critical systems in a classified DoD environment in Washington...  ...advanced technical support. Candidates must have a Top Secret clearance and over 10 years of experience in systems... 
    Secret clearance
    Senior
    Hourly pay

    Apex Systems

    Washington DC
    1 day ago
  • $82k - $138k

     ...Development. Job Description Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. U.S. Citizen with an active DoW Top Secret Clearance Non-remote (relocation incentive available) The Windows System... 
    Secret clearance
    Senior
    Hourly pay
    Contract work
    Temporary work
    Work experience placement
    Remote work
    Relocation package

    Link Solutions

    Hyattsville, MD
    2 days ago
  •  ...solutions firm in Washington, DC is seeking a Mid to Senior Windows System Administrator Engineer. This role involves administering and...  ...years of relevant experience, along with an active Secret security clearance. The position offers various benefits, including paid... 
    Secret clearance
    Senior

    CloudShape Inc

    Washington DC
    4 days ago
  •  ...Description Job Description Description Senior Engineering Technician WHO WE...  ...industrial and post-delivery Mission Systems activities. Provide expertise and...  ...ACAT I Program Security Requirements: Secret Clearance   *Position is contingent upon award... 
    Secret clearance
    Senior
    For contractors
    Work at office

    Stahl Companies

    Washington DC
    3 days ago
  • $90k - $108k

    Reston Consulting Group is seeking a Systems Administrator (Windows) in Washington, DC, requiring an active Top-Secret clearance. This full-time role is onsite five days weekly, supporting government contracts with a salary range of $90,000 to $108,000. The ideal candidate... 
    Secret clearance
    Full time

    Reston Consulting Group

    Washington DC
    3 days ago
  • $100k - $140k

     ...Onsite in Washington, DC Citizenship required: Yes Clearance Type: Active Secret Clearance is required Travel Required: None...  ...skills. We are currently seeking a talented Mid to Senior level Windows System Administrator Engineer to join our growing team. This person will... 
    Secret clearance
    Temporary work

    CloudShape Inc

    Washington DC
    4 days ago
  •  ...Intermediate Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview The Intermediate Windows Systems Administrator specializes in the installation, configuration, and maintenance of systems across... 
    Secret clearance

    Kwaan Bear Technology

    Hyattsville, MD
    1 day ago
  •  ...innovation and integrity. The Position We are seeking a Windows Systems Administrator - Team Lead to provide systems engineering and...  ...located on-site Requirements ~ Minimum active Top Secret Clearance with SCI eligibility; AND, ~ DoD 8140/8570... 
    Secret clearance
    Full time
    Contract work

    The One 23 Group

    Arlington, VA
    2 days ago
  •  ...Senior Windows Systems Administrator Bethesda, MD Overview Black Canyon Consulting (BCC) is searching for a Senior-level Windows Systems Administrator to handle the day-to-day management, optimization, and security of our core infrastructure systems. In this... 
    Senior
    Local area

    Black Canyon Consulting LLC

    Bethesda, MD
    1 day ago
  • $90k - $108k

    A federal contracting company is seeking a Systems Administrator (Windows) in Washington, DC, for a full-time, onsite role. This position requires an active Top-Secret clearance and offers a salary range of $90,000 to $108,000. The successful candidate will handle installation... 
    Secret clearance
    Full time

    RCG, Inc.

    Washington DC
    3 days ago
  •  ...Government Contractor for a major government institution, we are currently searching for a talented Windows System Administrator with experience in SQL Administration and Secret Clearance to work in Washington DC. Job Requirements A Windows and SQL Administrator is a hybrid IT... 
    Secret clearance
    Temporary work
    For contractors

    CALNET

    Washington DC
    5 days ago
  • Leidos is seeking a skilled Senior System Administrator in Alexandria, VA, to support enterprise data and analytics programs across the Department...  ...administration experience and a relevant degree. A Top Secret clearance is required. This role involves extensive... 
    Secret clearance
    Senior

    Leidos

    Alexandria, VA
    4 days ago
  •  ...GCyber is seeking a Senior Windows System Administrator to support government customers in Arlington, VA. The role emphasizes ownership of Windows environments and requires an active Top Secret/SCI clearance along with extensive experience in system administration. The... 
    Secret clearance
    Senior

    GCyber

    Arlington, VA
    1 day ago
  •  ...A leading analytics firm is seeking a Senior Program Manager to lead their Contract Advisory and Assistance Services for government...  ...in managing Government contracts and hold a current Top Secret clearance with SCI eligibility. This position promises career growth and... 
    Secret clearance
    Senior
    Contract work

    Praescient Analytics

    Bethesda, MD
    4 days ago
  • $60k - $119k

     ...government contracting firm in Washington, DC is seeking a Senior Efficiency and Automation Analyst to enhance operational efficiency...  ...have at least 10 years of experience and an active DoD Top Secret/SCI clearance. The position offers a competitive salary range of $60,000 -... 
    Secret clearance
    Senior

    Contact Government Services, LLC

    Washington DC
    4 days ago
  • $62k - $124k

     ...Support Lead (EMSL) to drive mission-critical operations for a federal client. This senior-level position demands over 10 years of relevant experience and an active DoD Top Secret/SCI clearance. Responsibilities include providing operational leadership, collaborating with... 
    Secret clearance
    Senior

    Contact Government Services, LLC

    Washington DC
    4 days ago
  • $180k - $220k

     ...KBR, Inc is looking for a Senior Stakeholder Engagement Advisor to join their National...  ...stakeholder engagements for defense systems. Candidates should have a Master's degree...  ...technical roadmap development. Active Top-Secret Clearance is required. Compensation ranges from $... 
    Secret clearance
    Senior

    KBR

    Washington DC
    5 days ago
  • $62k - $124k

     ...Washington, DC is seeking a Security Management Lead (SML) – Senior to oversee security program activities and drive compliance...  ...over 10 years of relevant experience and an active DoD Top Secret/SCI clearance. This role offers a salary range of $62,000 to $124,000, alongside... 
    Secret clearance
    Senior
    For contractors

    Contact Government Services, LLC

    Washington DC
    4 days ago
  • A government services provider is seeking an experienced Systems Administrator to support its government client in Washington, DC. This...  ...extensive experience in systems administration, along with a Top-Secret clearance. The company offers competitive compensation and an... 
    Secret clearance
    Senior

    Koniag Government Services, LLC

    Washington DC
    5 days ago
  • $160k - $190k

     ...Arenatechnologies is seeking a Senior Strategy Advisor to provide high-level strategic guidance for systems engineering programs supporting the Department of Homeland...  ...over 10 years of experience, and an Active Secret clearance. Responsibilities include advising on strategic... 
    Secret clearance
    Senior

    Arena Technologies LLC

    Alexandria, VA
    1 day ago
  • $80.5k - $149.5k

     ...A government services provider is seeking a Senior Security Support Specialist in Arlington, VA. The role involves planning and...  ...experience in relevant DoD programs and hold an active Top Secret/SCI clearance. The position offers a competitive salary range of $80,500 to... 
    Secret clearance
    Senior

    Contact Government Services, LLC

    Arlington, VA
    5 days ago
  • $31.73 - $34.62 per hour

     ...highly skilled, full-time, professional Senior Security Technician. *This position...  ...PACS, IDS, VSS, and physical security systems within this contract, as well as the integration...  ...90 days of hire. Requires a Top-Secret clearance. Knowledge and experience of... 
    Secret clearance
    Senior
    Hourly pay
    Full time
    Contract work
    Local area

    Versar, Inc.

    Washington DC
    more than 2 months ago
  • $60k - $90k

     ...developing training for personnel. Ideal candidates have 6+ years of security experience, a Bachelor's degree, and an active DOE Q or Top-Secret clearance. The salary range is $60,000 - $90,000, offering opportunities in a prominent federal setting. #J-18808-Ljbffr... 
    Secret clearance
    Senior

    Carlsbad Tech

    Washington DC
    4 days ago
  • # Windows System AdministratorApply**Job#: 3037715****Job Description:**We’re looking for a Windows Systems Administrator - Team Lead to support and engineer mission-critical systems within...  ...Qualifications*** Active Top Secret clearance with SCI eligibility* DoD 8140/85... 
    Secret clearance
    Hourly pay
    Contract work

    Apex Systems

    Washington DC
    1 day ago
  •  ...Responsibilities include developing enterprise architecture roadmaps and conducting architectural analyses. Candidates must possess a Secret clearance and have 15 years of relevant experience with knowledge of IT architectural concepts. This position offers competitive pay and... 
    Secret clearance
    Senior
    Remote work

    Seneca Holdings LLC

    Arlington, VA
    5 days ago
  • $125k - $200k

     ...seeks a cybersecurity engineer to protect digital assets and maintain cybersecurity measures. Candidates must be able to obtain a Secret Clearance and have relevant qualifications in cybersecurity. The role involves assessing vulnerabilities and responding to breaches... 
    Secret clearance
    Senior

    Decision Technologies, Inc.

    Washington DC
    4 days ago
  •  ...Responsibilities include directly managing communications, collaboration with stakeholders, and delivering high-quality briefs. A minimum of 5 years’ experience in strategic communications is required, along with a fully adjudicated Top Secret Clearance. #J-18808-Ljbffr... 
    Secret clearance
    Senior

    NewGen Technologies (Maryland)

    Washington DC
    4 days ago
  • $80k - $161k

     ...government solutions provider based in Washington, DC is seeking a Senior ServiceNow Architect to support mission-critical operations...  ...of relevant experience and must possess an active DoD Top Secret/SCI clearance. Responsibilities include designing and implementing... 
    Secret clearance
    Senior

    Contact Government Services, LLC

    Washington DC
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Windows Systems Administrator - Secret Clearance. Be the first to apply!