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

Senior Systems Administrator

$78.6k - $160.2k

Accenture Federal Services

Senior Systems Administrator

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to Work, we offer a collaborative and caring community where you feel like you belong and are empowered to grow, learn and thrive through hands-on experience, certifications, industry training and more. Join us to drive positive, lasting change that moves missions and the government forward!

The Senior Systems Administrator oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS. This role requires an experienced technical leader who can operate independently, guide junior administrators, and serve as the primary escalation point for complex issues. The position is fully onsite in Crystal City, VA, five days per week.

The Work:

  • Administer and maintain Windows and RHEL systems across AWS, including server provisioning, patching, and compliance (STIG)
  • Manage backup, restore, and disaster recovery strategies and ensure infrastructure resilience
  • Oversee user and permission management (RBAC, AD, ACLs, auditing) and enforce privilege management best practices
  • Perform advanced troubleshooting, network analysis, and performance optimization within the AWS environment
  • Drive security hardening, documentation, and adherence to compliance frameworks
  • Create and maintain technical documentation and collaborate closely with Cyber Security
  • Automate operational tasks using Bash, PowerShell, and related scripting tools

Here's What You Need:

  • Active Secret clearance
  • Bachelor's degree
  • 5+ years of hands-on systems administration experience
  • Proficient in both Linux and AWS administration
  • Proven experience with security control assessment and remediation
  • CompTIA Security+ (or equivalent) required
  • On-site requirement: 5 days/week, Crystal City, VA

Bonus If You Have:

  • Experience with DISA STIGs, POA&Ms, and the ATO process

Security Clearance Requirements:

  • Active Secret clearance with ability to obtain SSBI

The pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is:

$78,600 - $160,200 USD

Equal Employment Opportunity Statement We believe that no one should be discriminated against because of their differences. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law. Our rich diversity makes us more innovative, more competitive, and more creative, which helps us better serve our clients and our communities. For details, view a copy of the Accenture Federal Services Equal Opportunity Policy Statement. Accenture Federal Services is an Equal Employment Opportunity employer. Additionally, as an Affirmative Action Employer for Veterans and Individuals with Disabilities, Accenture Federal Services is committed to providing veteran employment opportunities to our service men and women.

Requesting An Accommodation Accenture Federal Services is committed to providing equal employment opportunities for persons with disabilities or religious observances, including reasonable accommodation when needed. If you are hired by Accenture Federal Services and require accommodation to perform the essential functions of your role, you will be asked to participate in our reasonable accommodation process. Accommodations made to facilitate the recruiting process are not a guarantee of future or continued accommodations once hired. If you are being considered for employment opportunities with Accenture Federal Services and need an accommodation for a disability or religious observance during the interview process or for the job you are interviewing for, please speak with your recruiter.

Vacancy posted 13 hours ago
Similar jobs that could be interesting for youBased on the Senior Systems Administrator in Arlington, VA vacancy
  • $170k - $219k

    As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting... 
    Senior
    Full time
    Local area

    MetroStar Systems

    Washington DC
    2 days ago
  • $77.6k - $176k

    System Administrator, SeniorThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of War?... 
    Senior
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Washington DC
    1 day ago
  •  ...Title: Senior Systems Administrator Location: Fort Lesley J. McNair, 300 5th Avenue, Washington, DC 20319 (Hybrid) Duration: Long term Certification: CompTIA Security+ CE and Computing certification Clearance: Active Secret or above Summary:... 
    Senior

    E-talentnetwork

    Washington DC
    2 days ago
  •  ...comprehensive and well-structured, effectively outlining the responsibilities, requirements, benefits, and application process for the Senior Airgap System Admin role. It uses appropriate HTML tags (p, h3, ul, li) to enhance readability and organization. However, there are minor... 
    Senior

    LyteForge

    McLean, VA
    4 days ago
  •  ...package. Qualifications Minimum of seven (7) years of experience in installing, configuring and maintaining UNIX/LINUX/MS operating systems and Cloud Environment. Analyzes and resolves problems associated with the operating system's servers, hardware, applications, and... 
    Senior

    Saliense

    Washington DC
    4 days ago
  • $65k - $85k

     ...Overview We are seeking a skilled and self-driven Systems Administrator with strong expertise in cloud services, Microsoft enterprise technologies, virtualization, and modern security platforms The ideal candidate will have hands-on experience with AWS, Microsoft... 
    Senior

    Tecolote Research

    Arlington, VA
    3 days ago
  •  ...Senior Systems Administrator – Security Clearance Duration: Full time, salaried opportunity Government Security Clearance Requirements: Government security clearance required. TS/SCI. Must possess active clearance. Security+ certification required. Description : The Senior... 
    Senior
    Full time

    i3solutions

    Washington DC
    9 hours ago
  •  ...Senior Systems Administrator II Employment Type: Full Time, Senior-level - Department: Legal/IT Overview CGS is seeking a Senior Systems Administrator to support technical initiatives for a large Federal agency, ensuring systems meet client needs and comply with policy... 
    Senior
    Full time
    Contract work
    Flexible hours

    Cgsfederal

    Washington DC
    1 day ago
  •  ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people... 
    Senior
    Full time
    Contract work
    For contractors
    Work at office

    CGS Federal (Contact Government Services)

    Arlington, VA
    1 day ago
  •  ...Employment Type Full Time, Senior-level Department Legal/IT Overview CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people... 
    Senior
    Full time
    Contract work
    For contractors
    Work at office

    CGS Federal (Contact Government Services)

    Washington DC
    4 days ago
  •  ...Senior Systems Administrator II Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and... 
    Senior
    Full time
    Contract work
    For contractors
    Work at office
    Flexible hours

    Contact Government Services LLC

    Washington DC
    3 days ago
  •  ...Senior Systems Administrator Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative... 
    Senior
    Full time
    Contract work
    For contractors
    Work at office
    Flexible hours

    Contact Government Services LLC

    Washington DC
    3 days ago
  • $78.6k - $160.2k

     ...training and more. Join us to drive positive, lasting change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS. This... 
    Senior
    Live in
    Work at office
    Local area

    Accenture Federal Services

    Washington DC
    11 hours ago
  • $80k - $90k

     ...Senior Systems Administrator The Solar Energy Industries Association (SEIA) is the national trade association for the solar and storage industry and represents more than 1,000 member companies and an industry workforce of more than 255,000 across the United States.... 
    Senior
    Full time
    Work at office
    Local area
    Remote work
    3 days per week

    Solar Energy Industries Association

    Washington DC
    3 days ago
  •  ...Relativity Senior Systems Administrator Employment Type: Full Time Department: Legal/IT We are seeking a Relativity Sr. Systems Administrator to join our team! You will handle a variety of projects to support and improve the organization's network systems.... 
    Senior
    Full time
    Work at office
    Flexible hours

    Contact Government Services LLC

    Arlington, VA
    3 days ago
  • $75k - $85k

     ...mission-critical technology, engineering, and mission support services to federal government customers. We are seeking a Senior Systems Administrator to play a key role in a critical DOD program - powering the platform that securely collects, analyzes, reports, and... 
    Senior
    Temporary work
    Immediate start
    Remote work

    TechFlow

    Arlington, VA
    3 days ago
  • $78.6k - $160.2k

     ...and more. Join us to drive positive, lasting change that moves missions and the government forward! You Are: The Senior Systems Administrator, oversees the management, security, and optimization of a mixed Windows and RedHat Linux environment hosted in AWS.... 
    Senior
    Live in
    Work at office
    Local area

    Accenture

    Washington DC
    4 days ago
  • The Senior Systems Administrator at i3Solutions, Inc. leads the design, deployment, and performance tuning for mission-critical enterprise systems in a security-conscious environment. You will implement and support ACCS infrastructure, maintain STIG/IAVA compliance, develop... 
    Senior

    i3solutions

    Washington DC
    1 day ago
  • Revolutional is seeking a System Administrator to install, configure, secure, and maintain mission-critical IT systems in a Washington, DC onsite environment. The role requires an active Top Secret clearance with SCI eligibility, a Bachelor's in IT/CS, 5 years of IT experience... 
    Senior
    Shift work

    Revolutional

    Washington DC
    2 days ago
  •  ...Federal Services in Washington, DC seeks engineers with deep networking, server, and identity management skills to support government systems. You will work onsite, collaborate across teams, and contribute to accreditation efforts while troubleshooting deployments and... 
    Senior

    Accenture Federal Services

    Washington DC
    5 days ago
  • $77.6k - $176k

    Booz Allen Hamilton in Washington, DC seeks a Senior System Administrator to lead enterprise-scale infrastructure and security for mission-critical systems. The role requires 8+ years of sys/admin experience, TS/SCI clearance, and a strong background in Windows/Linux, databases... 
    Senior

    Phase2 Technology

    Washington DC
    2 days ago
  • Integrated Computer Solutions, Inc. is seeking a Senior System Administrator in Arlington, Virginia. This position involves providing Tier I/II/III support within classified environments, ensuring operational performance and security of critical systems. The ideal candidate... 
    Senior

    Integrated Computer Solutions

    Arlington, VA
    4 days ago
  • Castalia Systems is seeking a Senior Systems Administrator to support the sustainment of two critical operating systems onsite at JBAB in Washington, DC. This role requires a strong background in Java-based stack, Linux systems, and security policies, with potential supervisory... 
    Senior

    Castalia Systems

    Washington DC
    2 days ago
  • Knight Federal Solutions in Washington, DC is seeking a Systems Administrator to maintain and optimize our IT infrastructure, ensuring secure operations in a TS/SCI environment and collaboration with cross-functional teams on critical projects. Responsibilities include... 
    Senior

    Knight Federal Solutions

    Washington DC
    1 day ago
  • Knight Federal Solutions Inc is seeking a Systems Administrator in the Washington, DC area to maintain and optimize our IT infrastructure in a secure environment. You will manage configurations, troubleshoot issues, and help ensure data protection and disaster recovery.... 
    Senior

    Knight Federal Solutions Inc

    Washington DC
    1 day ago
  •  ...experience utilizing Figma and Angular to build and design UI/UX.Responsible for installing, configuring, and maintaining operating system workstations and servers, including web servers, in support of business processing requirements.Performs software installations... 
    Senior

    Bow Wave LLC

    Washington DC
    2 days ago
  • $130k - $140k

     ...we’ve described you and your dream workplace, please apply and share in the many benefits and opportunities we offer. Senior Systems Administrator Seven (7) years of progressive experience in the field of Information Processing, six of which are specialized in numerous... 
    Senior
    For contractors

    Electrosoft

    Washington DC
    1 day ago
  •  ...paid holidays a year, including 2 personal holidays ~ Reimbursement for professional licensure Job Summary The Senior Systems Administrator ensures the reliability, performance, and security of our Windows infrastructure—both on-premises and in Azure. This... 
    Senior

    International Community Health Services

    Washington DC
    2 days ago
  •  ...’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Systems Administrator Maintains an organization's computer systems' workflows and is responsible for the upkeep, configuration and reliable operation... 
    Senior
    Work at office
    Local area
    Remote work

    General Dynamics Information Technology

    Arlington, VA
    a month ago
  • $115k - $135k

     ...Job Description Job Description Description: Position Overview The ERP Senior System Administrator is a senior-level ( must have 5+ years of Epicor/Kinetic ), hands-on leader responsible for the post-integration strategic design, development, and administration... 
    Senior
    Work experience placement

    Electric Mirror LLC

    Washington DC
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Systems Administrator. Be the first to apply!