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Senior System Administrator with Top SecretSCI Clearance

Calnet


Job Location:

Huntsville, AL - USA

Monthly Salary: Not provided by the employer
Posted: 8 August 2026 (30+ days ago)
Application Deadline: 5 November 2026
Vacancies: 1 Vacancy

Job Summary

Description

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 talentedSenior System Administrator with Top Secret/SCI Clearanceto workin Huntsville Alabama

Job Requirements

CALNET is looking for a Senior System Administrator that will be responsible for the day-to-day administration maintenance and security of the JWICS environment.

Key Responsibilities

  • System & Network Administration: Perform daily system administration tasks on Windows and/or Linux servers including user account management patching and applying Security Technical Implementation Guides (STIGs). Manage and troubleshoot network infrastructure devices (switches routers firewalls).
  • Tier 1/2 User Support: Provide direct support to end-users for technical issues including VTC setup and troubleshooting account resets and software support. Escalate complex issues to senior specialists or external vendors as needed.
  • Security Operations: Monitor security logs respond to alerts and assist with incident response and remediation activities. Ensure systems are backed up and that disaster recovery plans are tested.
  • Technical Support: Provide skilled technical support across all performance areas as assigned by the Team Lead adapting to emerging technologies and requirements.

Certifications (Required):

  • CompTIA Security CCNA RHCSA MCSA or any IAT Level II cert

Typical Educational/Experience Requirements

  • A Bachelors degree from an accredited institution in Information Technology Cybersecurity Business Management or a related field; or experience equal Citizen
  • Active Top Secret/SCI Clearance
  • Experience: Minimum 5 years of relevant IT experience in an enterprise environment.
  • Technical Skills: Proven hands-on skills in network and system administration troubleshooting COMSEC and customer support within a secure environment.

This opportunity is onsite inHuntsville Alabama

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


Required Experience:

Senior IC