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IT Infrastructure Engineer
IT Infrastructure EngineerPrime Solutions Group • Avondale, AZ, United States
IT Infrastructure Engineer

IT Infrastructure Engineer

Prime Solutions Group • Avondale, AZ, United States
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Full-time

Description

Company Description

Prime Solutions Group (PSG) is a fast-growing small business that delivers advanced sensing, autonomy, and digital-engineering solutions for U.S. defense, space, and commercial customers. Our cross-disciplinary teams combine Model-Based Systems Engineering (MBSE), full-stack software, and cutting-edge AI / ML to deliver high-impact capabilities—from neuromorphic EO / IR sensing to multi-modal target tracking.

We are expanding our IT operations to build secure, resilient, and agile digital infrastructure in support of our military and intelligence community partners. Join us at the ground floor of this growth and advance your career alongside a team of experts dedicated to mission success.

Position Overview

Prime Solutions Group is seeking a IT Infrastructure Engineer to join our secure IT operations team. In this role, you will support the design, deployment, and sustainment of enterprise networks, systems, and applications across both classified and unclassified environments. The ideal candidate will bring strong technical expertise, a background in defense or government contracting, and a proactive, problem-solving mindset.

Key Responsibilities

  • Provide Tier II / III IT support for engineering, program, and security personnel.
  • Design, configure, and maintain Windows-based infrastructure, including Active Directory, DNS, and Group Policy.
  • Implement and secure classified and unclassified systems in accordance with NIST RMF and DoD STIG requirements.
  • Support virtualization platforms (VMware, Hyper-V) and cloud-enabled services (Microsoft 365).
  • Develop and maintain operational documentation, SOPs, and system baselines.
  • Monitor and optimize system performance, uptime, and availability across platforms.
  • Contribute to security audits, incident response, and coordination with ISSM / ISSO staff.
  • Assist with user lifecycle management, including onboarding and offboarding in secure environments.
  • Leverage scripting (e.g., PowerShell) to automate system administration tasks.

Requirements

  • U.S. Citizenship.
  • Active Top-Secret Clearance with SCI eligibility and CI Poly.
  • Bachelor’s degree in Computer Science, Information Systems, or related field.
  • 5+ years of relevant experience with a bachelor’s OR 3+ years with a master’s.
  • Hands-on experience with Microsoft Windows 11, Windows Server, Active Directory, Group Policy, and virtualization (VMware or Hyper-V).
  • Proficiency in installing / configuring applications on Windows Server and Windows 11.
  • Familiarity with RMF, STIGs, and DoD cybersecurity compliance.
  • Experience with scripting and automation (PowerShell or equivalent).
  • Knowledge of hardware configuration for virtual infrastructure (CPUs, GPUs, etc.).
  • Strong written and verbal communication skills.
  • Self-motivated with the ability to work independently and collaboratively.
  • Ability to lift up to 40 lbs. for hardware setup / configuration.

    • Preferred Qualifications

  • CompTIA Security+, CASP, or CISSP certification.
  • Experience working in secure labs or SCIF environments.
  • Familiarity with Jira, Confluence, or ITSM tools such as ServiceNow.
  • Linux administration (RHEL 8 / 9) experience a plus.

    • Why Join PSG?

  • Contribute to mission-critical projects for the defense and intelligence community.
  • Be part of a small but growing team where your impact is direct and visible.
  • Enjoy a collaborative culture with opportunities to expand your skills across IT, cybersecurity, and engineering domains.

    • Salary Description

    Salary starts at $75K+ DOE & qualifications

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