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System Administrator III Jobs

Job in North Charleston, Charleston County, South Carolina, 29405, USA
Listing for: Clearance Jobs
Full Time position
Listed on 2026-08-16
Job specializations:
  • IT/Tech
    Systems Administrator, Windows Server, IT Support
Salary/Wage Range or Industry Benchmark: 47 USD Hourly USD 47.00 HOUR
Job Description & How to Apply Below

System Administrator

North Charleston, SC Contract Position $47.00/Hour Active Secret Clearance Required to Start Responsibilities:

  • Lead Windows system administration tasks including configuration, patching, and performance tuning for Windows Server 2012/2016, SQL Server 2014, and Windows 10 environments.
  • Travel to customer sites to oversee installation, upgrades, and support of software and hardware in line with military systems architecture and IT policies.
  • Configure and maintain Active Directory, Group Policy, and Exchange environments for secure, high-availability operations.
  • Support workstation imaging, deployment, and management using enterprise-level tools.
  • Perform HBSS configuration and deployment, and support system compliance through IAVA, STIGs, and ACAS standards.
  • Troubleshoot and resolve issues related to Windows domains, network services (DNS, DHCP, WINS), registry settings, and directory structures.
  • Provide Tier 1 and Tier 2 support, escalating complex issues when necessary.
  • Monitor and optimize system and network performance for operational continuity.
  • Maintain accurate documentation of system configurations, processes, and troubleshooting steps.
  • Mentor junior administrators, supporting a collaborative and knowledge-sharing environment.
  • Participate in long-term strategic planning of military systems infrastructure, incorporating evolving technologies.

Qualifications:

  • Clearance:
    Active Secret Clearance required
  • Education:

    Bachelor's degree in Information Technology, Computer Science, or related field preferred
  • Experience:

    Several years of hands-on system administration experience in DoD or secure environments
  • Travel:
    Must be willing and able to travel nationally and internationally for customer needs.
  • Required Skills:
    • Strong expertise in Windows Server 2012/2016 and Microsoft SQL Server 2014
    • Basic proficiency with Red Hat Enterprise Linux 6+
    • Proven experience with Active Directory, DNS, 802.1x Authentication, Group Policy, and PKI.
    • Familiarity with HBSS, STIGs, IAVA, and ACAS security compliance
    • Proficient in troubleshooting registry, networking, and Windows services
    • Experience with software distribution, workstation imaging, and system rollout
  • Preferred

    Skills:
    • Exchange Server
    • Endpoint Security Solutions (ESS)
    • Virtualization experience with VMware or Hyper-V
    • Exposure to cloud platforms is a plus
    • Trellix and basic Networking

Moseley Technical Services, Inc. is an AA/EEO/Veterans/Disabled Employer Katrina Nelson - katrin

  • Applicants selected for employment will be required to pass a pre-employment drug screening and background investigation, which may include education, criminal, and work history verifications.
  • Accepted applicants will be eligible for benefits, including medical and supplemental insurance, and a 401(k) plan. Appreciation and gratitude for employees are hallmarks of organizations with low turnover.
  • Final position level and pay will be based on experience.

To apply, send a resume to:  For more active job openings:
Search Jobs For more information about Moseley, visit:
About Us

Moseley Technical Services, Inc. (Moseley) was incorporated in 1994 to provide engineering and professional services to the aerospace/defense, manufacturing, government, and commercial industries. Our Mission is to deliver superior service to our customers and employees. We have been successful in our vision by building long-term relationships with customers and employees through integrity, transparency, and appreciation. We stand by our 30-year-old commitment of "World Class Service.

World Class Company."

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