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ISSE - SR. Level with Security Clearance

Associates Systems LLCTucson, AZ🇺🇸United StatesPosted 12 Jul 2026

Why This Role Stands Out

This ISSE role offers a fantastic opportunity to leverage your server administration and cybersecurity expertise to ensure critical systems meet stringent compliance requirements, positioning you for significant professional growth within a reputable organization. If you excel in Windows/Linux environments, possess strong networking fundamentals, and hold a STEM degree, you'll thrive in this impactful, on-site position. Apply today to contribute to vital projects and advance your career!

Quick Overview

Work Type
On Site
Schedule
Employee
Level
Mid Senior

Job Description

  • **Senior Information Systems Engineer-Onsite– responsible for administering, maintaining implementing, sustaining, and validating test systems to ensure systems, networks, operational technology (OT), and third-party integrations meet regulatory, contractual, and enterprise compliance requirements. ***Key deliverables for this role ***
  • Administer Windows/Linux Servers
  • Developing Cybersecurity compliant Test Environments/Test Equipment (Linux, Windows)
  • Install software packages/updates to enhance operations and testing of production hardware.
  • Troubleshoot production and development TE to ensure connectivity, functionality, compliance, and test integrity Core Technical Skills 1. Server Administration 2. Windows OS proficiency 3. Linux OS proficiency 4. Networking fundamentals 5. NIST 800-171 ***Desired Skills
1. DoD 8570.01m IAT II certified credentials (Sec+, CISM, etc.)
2. Security Technical Implementation Guides
3. System administration ***Day-to-Day Responsibilities 1. Providing Cybersecurity compliance guidance to engineering for production and procurement of TE 2. Install software packages/updates to enhance operations and testing of production hardware.
4. Troubleshoot production and development TE to ensure connectivity, functionality, compliance, and test integrity.
5. Collaborate with Digital Technologies and Cybersecurity to integrate TE to controlled networks or enterprises ****Tools / Technologies Required 1. Active Directory 2. Splunk
  • ***Years of Experience 5 years
  • ***Education Required STEM degre

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