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Iss System Administrator Jobs (NOW HIRING)

AVARINT LLC

System Administrator

Buffalo, NY · On-site

$75K - $100K/yr

The System Administrator will provide Information Systems (IS) security support for various ... Technical experience securing RHEL and Windows ISs and networks utilizing DISA STIGs and/or ...

Avarint LLC

System Administrator

Buffalo, NY · On-site

$75K - $100K/yr

The System Administrator will provide Information Systems (IS) security support for various ... Technical experience securing RHEL and Windows ISs and networks utilizing DISA STIGs and/or ...

Amentum

HPC Linux System Administrator

Houston, TX · On-site

We have the need for an experienced HPC System Administrator at Johnson Space Center (JSC). This ... ISS), Orion, Space Launch System (SLS), Commercial Crew Program, Human Landing System (HLS), Moon ...

Pae

HPC Linux System Administrator

Houston, TX · On-site

We have the need for an experienced HPC System Administrator at Johnson Space Center (JSC). This ... ISS), Orion, Space Launch System (SLS), Commercial Crew Program, Human Landing System (HLS), Moon ...

Avarint

Systems Administrator

Buffalo, NY · On-site

$75K - $100K/yr

The System Administrator will provide Information Systems (IS) security support for various ... Technical experience securing RHEL and Windows ISs and networks utilizing DISA STIGs and/or ...

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How much do iss system administrator jobs pay per year?

As of Sep 10, 2026, the average yearly pay for iss system administrator in the United States is $88,927.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $104,000.00 per year, depending on experience, location, and employer.

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Infographic showing various Iss System Administrator job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $88,927 per year, or $42.8 per hour.

Windows & Linux System Administrator with Security Clearance

San Diego, CA • On-site

INFORMATION SYSTEMS SOLUTIONS, INC
See more jobs at INFORMATION SYSTEMS SOLUTIONS, INCexternal

Other

Medical, Retirement

Posted 26 days ago

Job description

Information Systems Solutions (ISS) is looking for a candidate to provide Windows & Linux System Administrator to support on the Research, Development, Test, and Evaluation (RDT&E) network and in separate secure enclaves supporting NIWC PAC. The selected candidate will ensure existing infrastructure remains secure and assist with the design and engineering of new capabilities. This position is 100% onsite. Specific job duties include, but are not limited to the following: · System Administration to include Windows 11 and RHEL · Developing and using PowerShell and bash scripts · Providing technical engineering and design reviews for current and new infrastructure. · Hardening servers to DISA standards (compliance with STIG, CTO, and other guidance) · Automation using Ansible playbook.  · Maintaining asset tracking database, working with team to develop SOPs · Assisting with obtaining quotes and procuring assets from vendors · Assisting with shipping equipment to remote teams Why Work For ISS? At ISS we pride ourselves on providing an employee-focused and family first environment. Being a small business, we take the time to get to know our employees and have a vested interest in helping them achieve their career goals. We work to schedule regular social gatherings within the company to foster camaraderie. ISS values their employees by providing a comprehensive benefits package that includes a fully vested 401(k) matching program, coverage of family medical deductibles, spot bonuses, and educational assistance to further your career. Requirements Clearance Level Secret Certifications (IAT Level II) One of the following: · Security+ CE · GIAC Security Essentials Certification (GSEC) · Security Certified Network Professional (SCNP) · System Security Certified Practitioner (SSCP) Required Skills · 3+ Years of Experience with Windows Systems · 3+ Years of Experience with RHEL Systems · Developing and using PowerShell and bash scripts · Experience with the IAVM process (STIGs and patches) Desired Skills · Windows/RHEL System Administration Experience · Automation using Ansible playbook  · Experience with endpoint security Salary Description 105,000-115,000

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