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Sr System Administrator Security Clearance

Job in North Charleston, Charleston County, South Carolina, 29405, USA
Listing for: Moseley Technical Services, Inc.
Full Time position
Listed on 2026-03-07
Job specializations:
  • IT/Tech
    IT Support, Cybersecurity
Salary/Wage Range or Industry Benchmark: 47 USD Hourly USD 47.00 HOUR
Job Description & How to Apply Below
Position: Sr System Administrator with Security Clearance
Check out this new opportunity! Sr 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, Group Policy, and Exchange installation and maintenance

* 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:

* Sec urity+ or other DoD 8570 compliant certification

* Scripting/automation (e.g., Power Shell, Bash, Ansible)

* Virtualization experience with VMware or Hyper-V

* Exposure to cloud platforms is a plus Moseley Technical Services, Inc. is an AA/EEO/Veterans/Disabled Employer Still have questions? Reach out to Katrina Nelson - (Email) What to Expect
* 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. Resources
* To apply, send a resume to:
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* 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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