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Senior Unix Systems Administrator information

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$46.7K

$97.5K

$136.8K

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

As of Sep 1, 2026, the average yearly pay for senior unix systems administrator in Nebraska is $97,471.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,000.00 and $111,100.00 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 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 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 popular job titles related to Senior Unix Systems Administrator jobs in Nebraska?

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

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

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

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

Cities in Nebraska 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 Nebraska as of August 2026, with employment types broken down into 82% Full Time, 14% Part Time, 3% Contract, and 1% Nights. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $97,471 per year, or $46.9 per hour.

UNIX/Linux OS Administrator

Offutt Air Force Base, NE

GDIT
IT Services • 10K+ employees

7.8

Company rating: 7.8 out of 10

Based on 63 frontline employees who took The Breakroom Quiz

88th of 226 rated it services

Good employer

Recommended by students

Good training

Learn more about GDITexternal

$112K - $120K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Backup and Recovery (Software), Enterprise IT, Linux, Operating Systems (OS)

Certifications:

None

Experience:

3 + years of related experience

US Citizenship Required:

Yes

Job Description:

UNIX/Linux OS Administrator

Make meaningful contributions that fuel critical outcomes for some of the most complex government, defense, and intelligence projects. Join GDIT as a UNIX/Linux OS Administrator for a career where your growth is just as important as the mission you support.

MEANINGFUL WORK AND PERSONAL IMPACT:

As a UNIX/Linux OS Administrator, the work you'll do at GDIT will be impactful to the mission of USSTRATCOM. USSTRATCOM is a Combatant Command responsible for strategic deterrence, nuclear operations, and enterprise IT services essential to national security. It oversees Nuclear Command, Control, and Communications (NC3), Joint Electromagnetic Spectrum Operations (JEMSO), Global Strike, and Missile Threat Assessments, working closely with other Combatant Commands, Services, and defense agencies. SCITLS will be a key component that will ensure mission success and the safety of the U.S. and its allies by providing 24/7 IT services and network support for NIPRNet, SIPRNet, JWICS, and SAP/SAR environment.

You will play a crucial role in providing administration support in the following areas:

  • Perform systems administration for enterprise Linux/Unix solution.
  • Install, configure, and maintain Linux/Unix operating systems.
  • Analyze and resolve problems associated with the operating system's servers, hardware, applications, and software.
  • Monitor system performance and ensure compliance with security standards.
  • Monitor everyday system, evaluate availability of all server resources, and performs all activities for Linux servers.
  • Assist with configuring and deploying all virtual machines and install and provide backup to all configuration procedures.
  • Maintain and monitor all patch releases, designs various patch installation strategies, and maintain all systems according to program standards.
  • Provides Tier 2 and 3 troubleshooting support, interfacing the end users and other technical teams from a service support perspective.
  • Conduct Security Technical Implementation Guide (STIG) compliance assessments, harden Linux systems according to DoW standards, and ensure adherence to security policies and procedures.

WHAT YOU'LL NEED TO SUCCEED:

  • BS degree; may be substituted for additional years of experience
  • 3+ years of IT/DoW configuration management experience
  • Security Clearance Level: Top Secret with SCI eligibility
  • Required Certifications: ITIL 4 Foundation certified within 9 months of start; GFACT or CND or Security+ or GSEC
  • Location: Offutt AFB, NE
  • Strong experience with Linux distributions (RHEL, CentOS, Ubuntu, SUSE)
  • Experience with VMware, HyperV, KVM, or cloudbased VMs
  • Understanding of security hardening standards (DISA STIGs, CIS benchmarks)
  • OS patching and vulnerability remediation
  • SELinux or AppArmor experience
  • Managing firewall rules (firewalld, iptables)
  • Secure configuration of SSH, PAM, sudo policies
  • Strong troubleshooting communication (translating technical issues)
  • Incident response and rootcause analysis
  • Ability to escalate and collaborate with networking, storage, and security teams

GDIT IS YOUR PLACE:

  • Excellent customizable health benefits (Medical, Dental and Vision)
  • 401K with company match
  • Educational Assistance and eLearning
  • Flexible work week
  • Internal mobility team dedicated to employee advancement
  • Rewards and Recognition programs
  • Innovative and collaborative environment encouraging highly motivated critical thinking

#SCITLS

The likely salary range for this position is $112,840 - $120,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA NE Offutt AFB

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
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About General Dynamics Information Technology

Sourced by ZipRecruiter

GDIT is a global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense, and intelligence community. Its 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. The company operates across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber, and application development.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

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