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Senior Unix Systems Administrator Jobs in Colorado

iNovex Information Systems

Systems Administrator 3

Aurora, CO · On-site

$184K - $214K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Configures and manages UNIX and Windows operating systems and installs/loads operating system ... The Level 3 System Administrator shall possess the following capabilities: * Provide support for ...

nLIGHT

Sr. Systems Administrator

Longmont, CO

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This role partners closely with the Senior System Administrator to maintain reliable operations, strengthen security posture, manage image and patch lifecycles, and act as a Tier 2/3 escalation point.

nLIGHT

Sr. Systems Administrator

Longmont, CO

$80K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This role partners closely with the Senior System Administrator to maintain reliable operations, strengthen security posture, manage image and patch lifecycles, and act as a Tier 2/3 escalation point.

nLIGHT

Sr. Systems Administrator

Longmont, CO · On-site

$80K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This role partners closely with the Senior System Administrator to maintain reliable operations, strengthen security posture, manage image and patch lifecycles, and act as a Tier 2/3 escalation point.

nLIGHT

Sr. Systems Administrator

Longmont, CO

$80K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This role partners closely with the Senior System Administrator to maintain reliable operations, strengthen security posture, manage image and patch lifecycles, and act as a Tier 2/3 escalation point.

Natera

Sr Systems Administrator

Boulder, CO · On-site

$89K - $120K/yr

Position Summary Natera is looking for a Sr Systems Administrator to be the on-site go-to person for IT Infrastructure and Employee Care at our Boulder office. You'll be the person who keeps day-to ...

Infozone Inc

Systems Administrator

Littleton, CO · On-site

This position is a member of a System Administrator team that performs Tier 1 (Help Desk), Tier 2 ... Individual will perform installations and upgrades to UNIX operating systems and maintain them in ...

Natera

Sr Systems Administrator

Boulder, CO · On-site

$89K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Position Summary Natera is looking for a Sr Systems Administrator to be the on-site go-to person for IT Infrastructure and Employee Care at our Boulder office. You'll be the person who keeps day-to ...

Leidos

Principal Linux Systems Administator

Aurora, CO · On-site

$131K - $237K/yr

  • Retirement

  • PTO

Configure and manage UNIX and Windows operating systems, install/load software, troubleshoot ... Fifteen (15) or more years of experience as a System Administrator (SA) supporting programs and ...

RealmOne

Systems Administrator 3

Aurora, CO · On-site

They are seeking a Systems Administrator 3 to manage IT system infrastructure and provide support ... manages UNIX and Windows operating systems and installs/loads operating system software ...

Infozone Inc

Systems Administrator

Littleton, CO · On-site

This position is a member of a System Administrator team that performs Tier 1 (Help Desk), Tier 2 ... Individual will perform installations and upgrades to UNIX operating systems and maintain them in ...

Leidos

Principal Linux Systems Administator

Aurora, CO · On-site

$131K - $237K/yr

  • Retirement

  • PTO

Configure and manage UNIX and Windows operating systems, install/load software, troubleshoot ... Fifteen (15) or more years of experience as a System Administrator (SA) supporting programs and ...

RealmOne

Systems Administrator 2

Aurora, CO · On-site

They are seeking a Systems Administrator 2 to provide support for the implementation ... UNIX and Windows (or other applicable) operating systems and installs/loads operating system ...

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Showing results 41-60

All JobsUnix Systems Administrator JobsSenior Unix Systems Administrator JobsSenior Unix Systems Administrator Jobs in Colorado

Senior Unix Systems Administrator information

See Colorado salary details

$51.5K

$107.5K

$150.9K

How much do senior unix systems administrator jobs pay per year?

As of Aug 13, 2026, the average yearly pay for senior unix systems administrator in Colorado is $107,496.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,400.00 and $122,500.00 per year, depending on experience, location, and employer.

What does a senior Unix systems administrator do?

A Senior Unix Systems Administrator is responsible for managing, configuring, and maintaining Unix-based servers and systems within an organization. They handle tasks such as system monitoring, performance tuning, software updates, security management, and troubleshooting complex issues. In addition, they often design and implement automation scripts, ensure system reliability and availability, and provide technical leadership to junior staff. Their role is critical in supporting the IT infrastructure and ensuring smooth operations of business-critical applications.

What are some common challenges faced by senior Unix systems administrators, and how can they be effectively managed?

Senior Unix Systems Administrators often encounter challenges such as maintaining system uptime during critical updates, managing complex configurations across multiple servers, and ensuring security compliance. Staying proactive by implementing robust monitoring tools and automating routine tasks can help mitigate these issues. Additionally, collaborating closely with development and security teams enables administrators to anticipate potential problems and deploy solutions efficiently. Regular training and staying updated with the latest Unix advancements are also key for managing these challenges effectively.

What is the difference between Senior Unix Systems Administrator vs Network Engineer?

AspectSenior Unix Systems AdministratorNetwork Engineer
CertificationsUnix/Linux certifications (e.g., RHCE, Linux+)CCNA, CCNP, CompTIA Network+
Work EnvironmentData centers, server rooms, enterprise ITNetwork infrastructure, routing, switching environments
Primary ResponsibilitiesManaging Unix/Linux servers, scripting, system optimizationDesigning, implementing, maintaining network systems
Industry UsageIT, finance, healthcare, governmentTelecommunications, IT, enterprise sectors

While both roles involve technical expertise in IT infrastructure, the Senior Unix Systems Administrator focuses on managing Unix/Linux servers and systems, whereas the Network Engineer specializes in designing and maintaining network infrastructure. Both roles often require similar certifications and work in enterprise environments, but their core responsibilities differ significantly.

What are the key skills and qualifications needed to thrive as a senior Unix systems administrator, and why are they important?

To excel as a Senior Unix Systems Administrator, you need deep expertise in Unix/Linux operating systems, scripting languages (such as Bash, Perl, or Python), and a strong background in systems architecture, typically supported by a relevant degree or certifications like RHCE. Proficiency with configuration management tools (e.g., Ansible, Puppet), virtualization platforms, and monitoring solutions is commonly required. Strong analytical thinking, problem-solving, and effective communication skills help you manage complex environments and coordinate with engineering teams. These skills are essential for ensuring system reliability, security, and efficient IT operations in enterprise environments.

What are popular job titles related to Senior Unix Systems Administrator jobs in Colorado?

For Senior Unix Systems Administrator jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Senior Unix Systems Administrator jobs in Colorado look for?

The top searched job categories for Senior Unix Systems Administrator jobs in Colorado are:

What cities in Colorado are hiring for Senior Unix Systems Administrator jobs?

Cities in Colorado with the most Senior Unix Systems Administrator job openings:

Senior Unix Systems Administrator jobs near you
Infographic showing various Senior Unix Systems Administrator job openings in Colorado as of August 2026, with employment types broken down into 44% Full Time, and 56% Contract. Highlights an 100% In-person job distribution, with an average salary of $107,496 per year, or $51.7 per hour.

Satellite Systems Administrator with Security Clearance

TMC Technologies

Manitou Springs, CO • On-site

Other

Posted 14 days ago

Job description

TMC Technologies is hiring a Satellite Systems Administrator to join our team supporting the US Space Force (USSF) Space Systems Command, Innovation and Prototyping Directorate at Schriever Space Force Base in Colorado Springs, CO. The Satellite Systems Administrator is central to the configuration, maintenance, and issue resolution of cross-domain systems that are essential to our space and defense operations. This role requires not just technical acumen but also experience in satellite operations to support our multifaceted missions. The right candidate will provide critical support and expertise in the area of satellite operations, including managing the telemetry, tracking, and command (TT&C) systems, ensuring the reliability and security of space-to-ground communication. Core Responsibilities: • Spearhead security measures from the security plan, including network scanning, software patches, and DISA STIG compliance controls to bolster system security. • Execute comprehensive provisioning, installation/configuration, operation, and maintenance of Linux Servers in a VMWare environment, targeting zero downtime and optimal performance. • Perform meticulous system monitoring, maintaining server health and security, and managing system logs for Linux and Windows environments. • Troubleshoot a variety of issues, from hardware and software to system configurations and user access, providing thorough root cause analysis and resolution. • Act as a subject matter expert for Space Vehicle telemetry operations, ensuring the accuracy and integrity of data received at Remote Tracking Stations (RTS). • Oversee satellite data collection, command uplink processes, and effectively coordinate resources with the 22nd Space Operations Squadron. • Use automation tools to improve efficiency in software provisioning, configuration management, and application deployment. • Develop and maintain comprehensive software documentation, contributing to knowledge management and system reliability. Job Requirements Required Qualifications: • Active Top Secret or DoE Q clearance with SCI eligibility (must be eligible for SCI indoctrination within first 3 months of start date) and be able to obtain and maintain TS/SCI • A Bachelor's degree in Computer Science, Aerospace Engineering, or a related technical field, and 5 years or more of relevant experience. Four additional years of experience will be accepted in lieu of degree. • Willingness to work various shifts, accommodating the 24/7 operational needs of satellite operations. • A minimum of 6 months' direct experience in satellite operations and communications, emphasizing the importance of this expertise in the role. • Proficiency in Linux/UNIX system administration, with substantial knowledge of Microsoft Server network protocols. • DoD 8570 IAT Level II certification (Sec+ CE, CySA+, CCNA-Security, CND, CASP CE, CCNP, CISA, or CISSP) • Proven experience with network infrastructure, including familiarity with topologies, data flows, firewalls, routers, and switches. We are equal opportunity/affirmative action employers, committed to diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or protected veteran status, or any other protected characteristic under state or local law.

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