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Senior Unix Systems Administrator Jobs in Colorado

TekSynap

Senior Systems Administrator

Aurora, CO

$87K - $118K/yr

Responsibilities & Qualifications RESPONSIBILITIES The Senior Systems Administrator is expected to be able to accomplish the following: * Monitors and manages system resources, including CPU usage ...

TekSynap

Senior Systems Administrator

Aurora, CO

$87K - $118K/yr

RESPONSIBILITIES The Senior Systems Administrator is expected to be able to accomplish the following: * Monitors and manages system resources, including CPU usage, disk usage, and response times to ...

TekSynap

Senior Systems Administrator

Aurora, CO · On-site

$87K - $118K/yr

Responsibilities & Qualifications RESPONSIBILITIES The Senior Systems Administrator is expected to be able to accomplish the following: * Monitors and manages system resources, including CPU usage ...

TekSynap

Senior Systems Administrator

Aurora, CO

$87K - $118K/yr

Overview We are seeking a Senior Systems Administrator to join our Task Order proposal on the Defense Intelligence Agency's Solutions for the Information Technology Enterprise III (SITE III). The ...

City of Englewood

Senior Systems Administrator

Englewood, CO · On-site

$84K - $115K/yr

The Senior Systems Administrator also supports network troubleshooting and incident response as needed and provides on-site and remote support across City facilities to ensure continuous, 24-hour ...

SofTec Solutions

UNIX Administrator (AIX)

Denver, CO · On-site

Production support focused UNIX Administrators work to maintain a highly available environment, work with file structures, manage and monitor storage and system performance, in support of a large ...

TekSynap

Senior Systems Administrator

Aurora, CO · On-site

$87K - $118K/yr

The Senior Systems Administrator is responsible for maintaining smooth operation of multi-user computer systems and coordinating with network engineers to ensure system efficiency and security.

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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 11, 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.

Systems Administrator

Applied Network Solutions Inc.

Aurora, CO • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 25 days ago

Job description

Who we are:
At Applied Network Solutions (ANS), we bring together some of the most curious minds in networking and cybersecurity. ANS was founded to disrupt the status quo. For over 20 years, our team provides expertise in network, system engineering and both offensive and defensive cybersecurity operations.
What we do:
Our vision is for a future in which talent and customers alike come to ANS because of our reputation for delivering technical excellence, solving our nation's toughest challenges and our ability to exceed expectations.
Why ANS:
At ANS we value the integrity of your work. We are looking for the right person to plan, analyze, design, develop, test, secure, integrate, implement, operate, and maintain the custom solutions that ANS delivers. Together, let's ensure today is safe and tomorrow is smarter.
ANS is currently seeking a Linux / UNIX / Windows System Administrator that will provide Tier 2 technical support to maintain high priority operational systems at a high level of availability, and resolve problems based on mission criticality and guidance. This position is an 8:00 AM to 5:00 PM position (with after-hours call-in responsibility).
Requirements
Clearance Type:
  • An active and in-scope TS/SCI with polygraph U.S. security clearance
  • Qualified applicants may be subject to a security investigation and must meet minimum qualifications for access to classified information
  • Must have a current DODI 8570.01-M IAT Level II (minimum) Certification (i.e., Security+ CE or equivalent)

Required Education:
  • A University degree and 5 years of relevant experience, OR
  • A Master's degree and 3 years of relevant experience OR
  • 13 years of related experience in lieu of a degree
  • Military experience may substitute for some requirements. Military technical certification credit for military experience (*military personnel who have been formally trained or have relevant experience obtained while in service versus civilian training)

Required Skills:
  • Working experience in UNIX or Linux Systems Administration working with customers in technical operations or engineering
  • Experience configuring domain information utilities, such as Active Directory, Centrify, LDAP, and DNS
  • Strong background and experience troubleshooting and debugging applications
  • Experience presenting technical information to customers, clients and/or internal audiences
  • A thorough understanding of operating system concepts such as swapping and paging, inter-process communication, and devices and device drivers
  • The ability to work effectively with frequent and direct customer interaction in a real-time operational environment
  • The ability to work under pressure in restoring high priority systems back to operations

Desired Skills:
  • Ability to navigate, debug, and modify programs in an advanced programming language
  • Ability to write PERL, python, and shell scripts
  • Experience with storage products from Oracle/Sun/STK, EMC, IBM, NetApp, and/or DDN
  • Experience with virtual / cloud computing technologies using Citrix, VMware, and Amazon Web Services (AWS)
  • Working knowledge of thin-client technologies
  • Experience designing, implementing, and troubleshooting Public Key Infrastructure (PKI)

Duties and responsibilities include:
  • Strong team building skills
  • Performs software application maintenance on mission systems running a variety of operating systems to include Solaris, Unix, Linux, Windows, and VMS
  • Performs routine and preventative maintenance such as general computer tasks, application loads, disk utilization, system loading and system monitoring
  • Detects, isolates, documents, quickly reports, and resolves system outages, or problems encountered during operations of the operational system baseline, which includes the collections of diagnostic data, restoring the system operation, development of workarounds, and other activities necessary for recovery of a system
  • Accurately document problems in logging and discrepancy reporting tools
  • Collect data describing the environment at the time of the failure and perform other activities in support of Tier 3 maintenance provider DR investigation and resolution
  • Perform system monitoring, analyze and document performance and conduct trend analyses as required
  • Support system engineering groups as required for ongoing analysis and integration efforts
  • Environment fluctuates between routine and urgent, depending on ongoing tasks, priorities, and performance of assigned systems
  • Works directly with the customer in most aspects of the day-to-day activities

Benefits:
ANS offers excellent compensation along with a generous benefits package to include:
  • Family Medical, Dental (w/ adult orthodontia) and Vision coverage
  • Pet Discount Program
  • PTO (Paid Time Off)
  • Maternity/ Paternity Leave
  • Supplemental Military Leave Pay
  • 11 Paid Holidays
  • 401(k) plan with 6% Company Contribution
  • Generous Professional Development Program
  • 100% Employer paid Short- and Long-Term Disability
  • 100% Employer paid Life Insurance
  • Supplemental Whole Life Insurance
  • Lucrative Referral Bonus Program
  • Annual Allowance for ANS Swag
  • Potential for Paid Overtime
  • Flexible Work Schedules

Applied Network Solutions, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age or protected veteran status and will not be discriminated against on the basis of disability.
As required by local law, Applied Network Solutions, Inc. provides reasonable salary ranges of compensation for work performed in applicable states. Ranges are not a guarantee of compensation and depend on a variety of factors, including but not limited to contractual requirements, work location, years of experience, skill set, and education. Overtime is not guaranteed for this position. The anticipated pay range for this position is $100,000.00 - $200,000.00 USD.

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