Linux Systems Administrator (Top-Secret) {S}
Arka Group, Lp
IT
Ypsilanti, MI, USA
Posted on Dec 5, 2025
ARKA Group L.P. (“ARKA”) is an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry delivering next-generation solutions to support the national security space enterprise. Built on more than six decades of excellence, ARKA brings modern approaches and a culture of innovation to the challenges of today.
Join the ARKA team to learn how Beyond Begins Here. Discover your next career opportunity now!
Position Overview:
ARKA Group, LP is seeking a Linux Systems Administrator to provide the management of numerous LINUX-based virtual machines across several security domains in support of custom software development, testing, and deployment to customer systems. You will work closely with software/product development teams and customers to elicit, analyze, and verify new requirements and enhancements. You will perform actions in a mixed environment including Windows machines and must be familiar with fundamental Windows domain administration tasks. Additionally, this position will be supporting several programs that develop high fidelity, predictive analytics, physics-based software for various ground, sea, air and space domain systems.
Responsibilities:
- Setup, configure and maintain various LINUX servers to support development, test, integration, and operational software threads
- Work with development teams to design, implement, and maintain continuous integration environment for several projects across multiple networks
- Support security with VM hardening, patching, auditing, new software requests, and other security requirements
- Track and manage internal and external software licenses
- Perform crucial Windows Administration tasks including Active Directory (AD), Group Policy Objects (GPO) management, and supporting Windows-based development tools for cross-platform integration
- Serve as the primary support for Linux/Windows virtualization, including VMSphere/ESXi configuration and management
- Design, configure, and administer physical NAS/SAN storage solutions, including file sharing protocols like Samba and NFS to ensure data integrity and high availability for development programs
Required Qualifications:
- Current/active Top-Secret U.S. Government Security Clearance
- Must be able to obtain a TS/SCI Clearance with a CI Polygraph
- Ability to obtain SAR/SAP
- 5+ years’ experience with the administration and distribution of Linux systems (preferably RHEL and CentOS at a minimum)
- 2+ years’ experience with Windows Administration
- Demonstrated experience in administering network-attached storage (NAS) and configuring file-sharing protocols (Samba/NFS)
- Requires a bachelor’s degree in computer science or related discipline. 4 additional years of experience may be substituted in lieu of a degree
- Current DoD 8570 IAT Level II certification (i.e. CompTIA Security+ CE)
- Proficient in creation and management of VMWare-based virtual machines
- Experience installing, configuring, maintaining, monitoring and troubleshooting Linux servers, either physical (bare metal) or virtual (VMWare or equivalent)
- Experience in hardening Linux systems based on DISA STIGs requirements or similar hardening regulations
- IC/DoD security experience to include auditing, virus scanning, and IAVA resolution
- Offline system patching (such as RPM)
Preferred Qualifications:
- Solid general network knowledge (TCP/IP, DNS, SNMP, SMTP, NFS)
- Preferred the applicant has experience and active certifications that meet the ICD 503 guidelines for system administration
- Installation, configuration, and management of Windows-based development tools
- Experience with Shell (Bourne, Korn, Bash, csh, etc.) scripting, or scripting in Perl or Python
- Experience with network storage technologies (S3, block, and object)
- Experience with log management, syslog, SIEM, etc.
- Experience with HPC and GPU architectures
- Cross-platform experience (i.e. two or more: Windows, Linux, Solaris, OSC, UNIX, IRIX, etc.)
- Experience with PowerShell
- Experience with configuration management tools such as Ansible or Puppet
- Experience managing GitLab
- Experience managing Podman/Docker
Location: Ypsilanti, MI
Ypsilanti is artistic, genuine, and original. A college town and city located on the Huron River in Washtenaw County. Ypsilanti is all about community and making families new to the area feel right at home. From educational opportunities and local museums for all ages, to accessible healthcare and transportation it’s a wonderful location. It’s well known for its historical museums, parks, and historic districts as well as home to Eastern Michigan University. The University of Michigan and Michigan State University also are great institutions! Ann Arbor is close by and has many things, including a bustling university town, culinary hotspot, and a tech hub with a walkable downtown that includes world-class arts and culture. Located in southeast Michigan's Lower Peninsula, Ann Arbor lies at the center of a greater collection of communities in Washtenaw County. With so many thriving communities nearby, Ann Arbor has become a cultural melting pot and urban oasis.
What We Offer:
- Comprehensive medical/vision/dental insurance packages
- Company contributions to qualified HSA accounts
- 401k retirement plan with industry leading company contributions
- 3 weeks of vacation accrual per year plus time off for sick leave and unscheduled life events
- 13 paid holidays
- Upfront tuition assistance for approved degree programs
- Annual bonus program based on company and employee performance
- Company paid life insurance, AD&D, Short-Term and Long-Term disability insurance
- 4 weeks paid Parental Leave
- Employee assistance program (EAP)
EHS/Environmental Requirements:
This job operates in a professional office environment. While performing the duties of this job, the employee routinely is required to use hands to keyboard, communicate, listen to, and interpret instructions and remain stationary for extended periods of the time. This would require the ability to move around the campus and occasionally move/lift items weighing up to 25 lbs. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.
Applicants are invited to apply for a reasonable accommodation to perform the essential duties of the job. To apply, send a request to staffing@arka.org or contact 203-797-5000 and press 2 for Human Resources.
ITC & Security Clearance Requirements:
This position requires an active Top-Secret U.S. Government Security Clearance with the ability to obtain and maintain a TS/SCI Clearance with a CI Polygraph.
Visa Restrictions:
No visa sponsorship is available for this position.
Pre-employment Screenings:
Employment with any ARKA companies in the U.S. is contingent upon satisfactory completion of several pre-employment requirements to include a credit check, background check, and drug screen.