Sr. Systems Administrator

Insight Global; Longmont (CO); On-site; USD 80,000 - 120,000; Full time

Job summary

Insight Global is seeking a Senior Systems Administrator for a hands-on, on-site role in Longmont, CO. You will support Linux and Windows infrastructure, manage servers and networks, and drive strategic projects within a highly regulated aerospace/defense environment.

The ideal candidate has 5+ years of systems administration experience, strong virtualization and cloud skills (Azure, Microsoft 365 GCC High), and the ability to work across IT, cybersecurity, and service teams.

Qualifications

• 5+ years of well-rounded systems administration experience.
• Experience across Linux and Windows environments.
• Security clearance or ability to obtain one; work in regulated cloud environments.

Responsibilities

• Manage server and network administration across Linux and Windows.
• Lead hardware rollouts and custom hardware builds.
• Oversee virtualization, identity and access governance, and cloud services.
• Administer Microsoft 365 and regulated cloud solutions (GCC High).
• Provide on-call support for emergencies and ensure cybersecurity compliance.

Skills

System administration

Networking

Virtualization

Infrastructure troubleshooting

Microsoft Azure

Education

Bachelor’s degree or equivalent

Tools

Azure

Microsoft 365 GCC High

FedRAMP High

Job description

Job Description

An aerospace and defense company in the high-power laser technology space is looking to hire a Senior Systems Administrator. This person will join a lean, collaborative IT organization and handle a mix of day-to-day infrastructure support and strategic projects across Linux and Windows environments. Responsibilities will include server and network administration, hardware rollouts and custom hardware builds, virtualization, troubleshooting, identity and access governance, cloud and Microsoft 365 administration, and supporting a broad user base ranging from executives to engineers. The environment is highly regulated, so this person should be comfortable working within cybersecurity, risk, and compliance requirements while partnering closely with infrastructure, service desk, and cybersecurity teams. This is a Direct Hire position based in Longmont, Colorado, requiring 5 days per week onsite, with occasional evening or weekend support in the event of an emergency. The salary range is $80,000-$120,000, depending on experience and interview feedback.

Skills and Requirements

• 5+ years of well-rounded systems administration experience
• Strong hands‑on experience across Linux and Windows environments
• Strong networking, virtualization, hardware, and infrastructure troubleshooting experience
• Cloud experience with Microsoft Azure and Microsoft 365
• Degree or equivalent professional experience
• Security Clearance
• Microsoft 365 GCC High, FedRAMP High, or similar regulated cloud/compliance experience
• CISSP or relevant infrastructure/security certifications
• Aerospace, defense, manufacturing, financial services, healthcare, or other highly regulated industry experience

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [e-mail].