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Client Systems Civilian Jobs (NOW HIRING)

The One 23 Group

Systems Administrator

Herndon, VA · On-site

We empower our clients in the Department of War, Intelligence Community, and Federal Civilian ... Responsibilities include system administration, server and client operations, backup and recovery ...

Concept Plus

IA/Cyber/Cloud Admin

Dayton, OH · On-site +1

... Civilian, Health IT, and Tribal sectors. Our highly certified experts build systems that drive ... Client systems are deployed in both classified and unclassified DISA and cloud environments ...

Aleut Federal

Civilian Managing Director

Arlington, VA · Hybrid

$190K - $225K/hr

Utilize operational tools, tracking systems, monitoring visits, and assessments through necessary ... Client Relationship Management: * Cultivate strong relationships with key stakeholders within ...

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How much do client systems civilian jobs pay per year?

As of Jun 8, 2026, the average yearly pay for client systems civilian in the United States is $108,432.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,000.00 and $116,500.00 per year, depending on experience, location, and employer.

What are the common day-to-day responsibilities for someone working as a Client Systems Civilian?

Client Systems Civilians are responsible for installing, configuring, and maintaining end-user devices such as desktops, laptops, and peripheral equipment. They respond to service requests, troubleshoot hardware and software issues, and provide technical support either remotely or in person. Additionally, they may participate in system upgrades, manage user accounts, and contribute to security compliance. Regular collaboration with IT team members and end users is typical, ensuring that any problems are addressed efficiently and workflows remain uninterrupted.

What are the key skills and qualifications needed to thrive in the Client Systems Civilian position, and why are they important?

Success as a Client Systems Civilian requires a solid understanding of computer hardware, software troubleshooting, networking fundamentals, and typically an associate's degree in information technology or a related field. Familiarity with enterprise operating systems (like Windows and macOS), ticketing systems, and certifications such as CompTIA A+ or Network+ are highly valued. Strong problem-solving skills, customer service orientation, and effective communication are crucial soft skills in this role. Mastery of these areas ensures efficient support for end users, quick resolution of technical issues, and smooth operation within the organization.

What is a Client Systems Civilian job?

A Client Systems Civilian is an IT professional responsible for managing, troubleshooting, and maintaining computer systems, networks, and user support services within an organization. They ensure optimal system performance, install and update software, and provide technical assistance to end users. This role often involves cybersecurity measures, hardware repairs, and configuration of communication devices. Client Systems Civilians work in various industries, including government, military support, healthcare, and corporate environments. Their goal is to ensure seamless technology operations, minimizing downtime and enhancing productivity.

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Client Systems Civilian jobs near you
Infographic showing various Client Systems Civilian job openings in the United States as of May 2026, with employment types broken down into 1% As Needed, and 99% Full Time. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $108,432 per year, or $52.1 per hour.

Systems Administrator

The One 23 Group

Herndon, VA • On-site

Full-time

Posted 9 days ago

Job description

Description:

At The One 23 Group, our mission is to set the benchmark for excellence in government services. We empower our clients in the Department of War, Intelligence Community, and Federal Civilian sectors to excel with our advanced capabilities. Our dedication lies in fostering a people-first culture, underpinned by steadfast ethical principles. Embracing innovative technologies and process improvements, we are steadfast in our journey toward a future that is both bright and transformative.


Our expertise spans Enterprise IT, Mission IT and Cyber. With our global footprint, we place a strong emphasis on nurturing our people and culture, which forms the core of our successful strategies in leadership and financial management. We pride ourselves on our extensive experience and effective approach, ensuring that we lead with both innovation and integrity.


The Position
The Senior System Administrator provides Tier I/II/III systems administration and IT operations support within classified environments. This role delivers subject matter expertise supporting enterprise systems and infrastructure, ensuring availability, security, and operational performance of mission-critical platforms. Responsibilities include system administration, server and client operations, backup and recovery, and storage management in accordance with established operational procedures. The position supports continuous operations, including on-call and contingency response requirements.


Responsibilities:

  • Analyze functional system requirements and implement software or system enhancements supporting mission applications.
  • Provide Tier II/III IT operations support for NCCS systems and associated enterprise services within the SCI environment.
  • Perform systems operations, administration, and maintenance including account management, performance monitoring, log auditing, and system configuration management.
  • Install, configure, test, and deploy operating system updates, security patches, and software upgrades in accordance with approved change control procedures.
  • Support client operations and management including configuration, maintenance, and administration of Windows-based enterprise client systems.
  • Support server operations and management to ensure operational availability of enterprise servers and mission applications.
  • Perform system backup and recovery operations, validating backup integrity and supporting disaster recovery procedures.
  • Support incident and problem management activities, documenting and resolving system incidents in accordance with established ITIL service management procedures.
  • Maintain technical documentation, operational procedures, and system configuration records supporting JSSC operations.
  • Participate in configuration management processes including Change Advisory Board (CAB) reviews and implementation of approved system changes.
  • Support operational continuity and COOP relocation activities as directed during contingency operations or exercises.


Additional Information

  • On-site at the Pentagon.
  • Day shift position
Requirements:
  • Active Top Secret security clearance with SCI eligibility; AND,
  • DoD IAT Level II certification (e.g., Security+, CCNA Security, or equivalent) required for privileged access to DoD information systems AND;
  • Minimum 5 years of relevant experience in application development, systems administration, or enterprise system support environments
  • Ability to provide Tier II/III IT operations support for mission systems and enterprise infrastructure.
  • Ability to perform systems operations, administration, and maintenance including account management, system monitoring, performance tuning, patching, and configuration management.
  • Ability to support server operations and management in classified environments.
  • Ability to support system backup, recovery operations, and storage management to ensure system availability and data integrity.

PREFERRED

  • Microsoft Exchange administration
  • VMware virtualization platform administration
  • Active Directory enterprise identity and access management
  • Experience supporting Windows Server enterprise environments
  • Experience supporting classified DoD networks (SIPRNet / TS/SCI environments)
  • Experience supporting NCCS or other DoD C2 systems
  • Familiarity with PowerShell automation or scripting for system administration
  • Equal opportunity employer, including disability/vets.