Tier II Systems Engineer — Linux, Windows & DevOps

nou Systems, Inc.; Huntsville (AL); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

Medical, Rx, Dental & Vision

Health Savings Account eligibility

Life and Disability Insurance

401(k) with ESOP

Paid Time Off and Holidays

Tuition Reimbursement

Personal Development, Lunch-n-Learns

Corporate Sponsored Events

Job summary

nou Systems, Inc. is seeking a Tier 2 IT Systems Support Specialist to join a hands-on IT team supporting five offices, remote employees, and a classified lab.

You will own escalated issues, administer Linux systems, and assist engineering with tools and environments used for software development. This role sits between help desk and senior engineers; you will grow into systems administration and DevOps work.

Qualifications

• 3+ years IT support experience with at least 1 year in a Tier 2 or escalation role.
• Active Secret clearance or ability to obtain one.
• Current CompTIA Security+ certification or ability to obtain within 12 months of employment.
• U.S. citizen eligible for this position.

Responsibilities

• Serve as the escalation point for help desk tickets in ServiceNow; troubleshoot and resolve complex hardware, software, network, and account issues.
• Support Windows and Linux endpoints, Dell hardware, and peripherals.
• Assist with user onboarding and offboarding, including provisioning, imaging, and device setup.
• Troubleshoot identity and access issues across AD, Entra ID, and Okta MFA.
• Support Microsoft 365 (GCC High) services including Exchange Online, Teams, and Teams Phone.
• Write and maintain knowledge base articles; mentor Tier 1 staff.
• Install, configure, patch, and maintain Linux servers/workstations (RHEL/Alma, Ubuntu).
• Manage users, permissions, packages, services, storage, and logs.
• Write Bash (and Python) scripts to automate tasks.
• Support Linux VMs in VMware vSphere and AWS GovCloud.
• Apply security baselines (STIGs, CIS) in coordination with IT Security.
• Support engineers' development environments, toolchains, and licensed software.
• Administer GitLab: user access, runners, CI/CD troubleshooting.
• Help build/containerize workloads (Docker) and related build workflows.
• Troubleshoot certificate, proxy, and network issues affecting developer tools.
• Support systems in a classified lab following security procedures and change management.

Skills

Tier 2 escalation

Linux command line

Windows endpoints

Active Directory

Entra ID

Okta MFA

GitLab CI/CD

Docker

VMware vSphere

AWS GovCloud

Security+

Education

CompTIA Security+

Tools

GitLab

Docker

VMware vSphere

AWS GovCloud

Job description

nou Systems, Inc. is seeking a Tier 2 IT Systems Support Specialist to join a hands-on IT team supporting five offices, remote employees, and a classified lab.

You will own escalated issues, administer Linux systems, and assist engineering with tools and environments used for software development. This role sits between help desk and senior engineers; you will grow into systems administration and DevOps work.