Demo

Junior IT Engineer

Valar Atomics
Hawthorne, CA Full Time
POSTED ON 10/23/2025 CLOSED ON 12/18/2025

What are the responsibilities and job description for the Junior IT Engineer position at Valar Atomics?

About The Role

You’ll be the second member of a small, high-impact IT team. This will be a fully on-site role and will require occasional travel as needed. The job splits between (1) day-to-day corporate IT support and (2) working on IT/OT at our test reactor site. You’ll own well-scoped projects end-to-end, partner closely with our MSP, keep our users productive, and our infrastructure tight / well documented.

This is a junior role and has tasks appropriate to that but in a very rapidly growing startup company growth opportunities are very likely if you can show your ability to fulfill requirements and deliver effective solutions efficiently.

What You’ll Do

  • Handle Tier 1/2 help desk intake/triage/resolve; escalate smartly to MSP and track SLAs.
  • Documentation and SOP creation, this will be a critical part of the role: formalizing, improving, and documenting existing process
  • Assist with server rack buildouts: power budgeting, labeling, cabling standards, and clean documentation (rack elevations, diagrams).
  • Support security systems (badging/access control, cameras, NVRs) with basic install/maintenance and vendor coordination.
  • Setup, management, and maintenance of Windows, MacOS, and Linux (Debain/Ubuntu) endpoints (servers and workstations)
  • Maintain O365/Microsoft 365 and Active Directory (users, groups, policy, device join, basic MDM).
  • Stage and configure network switches (VLANs, trunk/access ports, PoE), document port maps, and validate with basic packet capture.
  • Implement and manage firewalls (rules, NAT, VPN, segmentation; change control and logging).

What You Bring

  • Hands-on experience with:
    • Help Desk and user interaction (retail and corporate preferred)
    • Windows, MacOS, and Linux (Debian/Ubuntu)
    • Switch deployment/config
    • Firewall config/management
    • Rack/cabling documentation
    • Customer/user support (retail or corporate)
    • Security systems (access control/cameras)
    • O365 / AD administration

  • Strong troubleshooting: methodical, data-driven, and comfortable with deep diving into OS settings and network traffic analysis.
  • Ability to plan, communicate, prioritize, and deliver scoped projects.
  • Excellent written documentation skills including but not limited to:
    • Standard operating procedures (SOP)
    • Change requests and logging
    • Visual diagrams (Cable maps / Network Topology)
Who You Are

  • Passionate about technology/servers/networking/digital infrastructure.
  • Constant learner, tell us about your homelab or side projects.
  • Self-starter who knows when to ask for help.
  • Level-headed, data-driven, solution-focused.
  • Have relevant work experience (certifications/college degrees are not a substitute)
  • Interest in nuclear power and the power grid is a big plus.

Nice-to-haves

  • Basic scripting (PowerShell/Python/Bash) for automation.
  • MDM/Endpoint: Intune and macOS management.
  • Monitoring/observability: Syslog, SNMP, NMS, SIEM, etc.
  • OT awareness: Purdue model/segmentation basics, PLCs, Rockwell Automation software stack, etc
  • Compliance/controls familiarity (asset inventories, least privilege, backups, change control).

Working with us

  • Small team, real ownership, direct impact on safety-critical operations.
  • Close collaboration with an experienced MSP; you’ll learn fast and ship real systems.
  • Catered lunches
  • Competitive pay
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Salary.com Estimation for Junior IT Engineer in Hawthorne, CA
$82,159 to $95,668
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