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System Administrator (Tester)(Hybrid)

SOLERITY • O'fallon, Illinois, United States

hybridfull-time

Salary: USD 75,000 - 85,000 / year

Posted Oct 23, 2026

**Role & seniority: ** ISDDC System Administrator (Tester) (seniority not explicitly stated; tester/System Admin hybrid)

**Stack/tools: **

  • Testing: automated & manual functional/non-functional testing; test case config/creation/execution; defect reporting/triage

  • Data/DB: SQL (read/edit/write/execute), data analysis; Excel (e.g., VLOOKUP, EXACT)

  • Networking: subnets, CIDR, IP-based firewall concepts

  • Platforms/ops: Windows Server & RHEL/Unix/Linux admin; log file interpretation/troubleshooting

  • Cloud: basic AWS knowledge

  • Security/compliance: maintain IA compliance; server/network procedural documentation

  • Top 3 responsibilities:

    1. Plan/monitor/report testing cycles for software releases; execute configured test cases

    2. Perform software verification/validation (functional + non-functional), manage defect reporting/triage/confirmation

    3. Administer multi-environment systems (Dev/STAGE/PROD) including Windows/RHEL server updates and troubleshoot via logs

  • Must-have skills:

    • Secret clearance required or ability to obtain Secret

    • Windows Server administration (updates, Java updates, IA/compliance changes)

    • Ability to read/interpret log files on Windows and Unix/Linux

    • SQL proficiency (read/edit/write/execute)

    • Network fundamentals (subnets, CIDR, IP-based firewall)

  • Nice-to-haves:

    • Strong data analysis; advanced Excel usage (VLOOKUP/EXACT)

    • Experience supporting co

Full Description

Description Solerity is seeking a ISDDC System Administrator (Tester). Verification & validation of software via automated & manual functional & non-functional testing Test case configuration, creation, maintenance, and execution Defect reporting, triage, and confirmation Test cycle planning, monitoring, and reporting for software releases Internal and external stakeholder communication of software and testing status Support for adoption of continuous improvement initiatives (e.g., training, tools, processes) · Write clear and descriptive documentation pertaining to Procedural updates, including server and network related documentation

· Should have higher level of knowledge of

  • o SQL (read, edit, write, execute)
  • Data analysis skills
  • Excel functions such as vlookup and exact

· Understand network concepts such as

  • o Subnets
  • o CIDR notation
  • o IP-based Firewall

· Work in a multi-environment system (Dev, STAGE, PROD etc.) with multiple types of Operating Systems, including Systems Administration for RHEL and Windows Servers

Requirements

· Secret Clearance Required or ability to obtain a Secret Clearance · Basic AWS Knowledge · Administer Windows Servers o Windows Updates o Java Updates o Changes to maintain IA Compliance o Read and Interpret log files to troubleshoot issues on Windows and Unix/Linux

BENEFITS YOU'LL ENJOY

  1. Medical, dental and vision coverage

  2. Health Savings Accounts and Flexible Spending Accounts for healthcare and dependent care

  3. 401(k) and company-funded life insurance

  4. Generous Paid Time Off (PTO)

  5. Tuition and training assistance

  6. Financial rewards for employee referrals.

  7. Pet insurance

  8. Employee discount program

EMPLOYMENT OPPORTUNITIES: Solerity is committed to the range of perspectives we bring to the marketplace by being an employer dedicated to hiring a highly qualified team of professionals, providing world class services and products aimed at exceeding our customer’s expectations. Solerity is an equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities. Solerity is a VEVRAA Federal Contractor.

APPLY TODAY!

AWSCIDR notationData analysisExcelIA complianceIP-based firewallLog file analysisNetwork conceptsRHELSoftware testingSQLSubnetsSystem administrationTroubleshootingWindows servers

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