Linux Systems Administrator

Job Title: Linux Systems Administrator
Clearance Required: Public Trust US Citizen; Public Trust (National Agency Check with Inquiries (NACI))0
Work Location: Boulder, CO (Hybrid with required days on site)

Alpha Omega is searching for an experienced Linux Systems Administrator to join one of our long-term Federal projects.

Alpha Omega is seeking a Linux Systems Administrator to support enterprise Linux infrastructure operations at the NCEI-CO site. This position provides administration, maintenance, troubleshooting, and operational support for Red Hat Enterprise Linux (RHEL) systems and associated enterprise services in a mission-focused environment. The ideal candidate will have experience supporting Linux server environments, user administration, patching and vulnerability remediation, automation tools, monitoring systems, and general infrastructure operations. This role also includes limited hands-on IT hardware and operational support responsibilities during onsite support hours.

Key Responsibilities:

• Administer, maintain, and support Red Hat Enterprise Linux (RHEL) server environments.


• Perform Linux system administration activities including user and group management, file system management, service monitoring, log review, and system troubleshooting.


• Support Identity Management (IdM) services and user account administration.


• Assist with server provisioning, configuration, deployment, and lifecycle management.


• Perform operating system patching, updates, and vulnerability remediation activities.


• Support vulnerability mitigation efforts in coordination with cybersecurity and infrastructure teams.


• Utilize automation and configuration management tools such as Ansible to support system administration tasks.


• Monitor system health and infrastructure status using monitoring platforms such as Nagios and Zabbix.


• Troubleshoot Linux system issues, application support issues, and operational incidents.


• Provide Tier 1 and Tier 2 support for Linux-related user issues and server incidents.


• Respond to requests for technical assistance via phone, e-mail, in person, or the NCEI Jira ticketing application.


• Support walk-up requests from NCEI employees when it is not feasible for the employee to submit a support request.


• Provide incident and problem management for all issues reported by creating, updating, and managing requests.


• Escalate service requests in accordance with established procedures and document escalation or resolution as appropriate.


• Address assigned incidents and problems in a timely manner, consistent with applicable SLAs and established protocols.


• Support compliance with organizational security policies, STIG requirements, and configuration management standards.


• Assist with IT hardware support activities during onsite operations including equipment setup, peripheral support, and basic hardware troubleshooting.


• Document technical procedures, configurations, operational activities, and troubleshooting steps.


• Participate in maintenance windows and occasional after-hours operational support activities as required.


• Work independently and with minimal supervision.


• Adhere to NCEI change, configuration, and security guidelines.

Required Qualifications:


Required Experience/Skills:

• Minimum Years of Overall Experience: 2


• Minimum Years of Specific Experience in Field: 2


• Experience supporting Linux systems in an enterprise environment.


• Experience administering Red Hat Enterprise Linux (RHEL) systems.


• Familiarity with Linux command line administration, user and permission management, system patching, and shell scripting fundamentals.


• Experience with infrastructure monitoring tools such as Nagios or Zabbix.


• Familiarity with Ansible or other automation/configuration management tools.


• Basic understanding of cybersecurity and vulnerability remediation practices.


• Strong troubleshooting, organizational, and communication skills.


• Ability to work both independently and collaboratively within a team environment.


• Ability to lift and move IT equipment up to 50 lbs.

Preferred Qualifications:

• Experience with Red Hat Identity Management (IdM).


• Experience supporting virtualization platforms and enterprise backup solutions.


• Experience with STIG compliance and vulnerability remediation processes.


• Basic scripting experience using Bash or Python.


• Experience working in enterprise or government IT environments.


• Experience using ITSM ticketing tools such as Atlassian Jira or similar platforms.


• Basic knowledge of ITIL, Service Desk metrics/SLAs, and infrastructure operations.

(Required or Preferred) Education:

•  Education Requirement with specific field of study: Bachelor’s Degree in Computer Science, MIS, Business or Related Technical Field.

Desired Certification(s):

•  Red Hat Certified System Administrator (RHCSA).


•  CompTIA Security+, Linux+, or Network+.


• Other Linux or infrastructure-related certifications.

 


Salary and Benefit Information:


The likely salary range for this position is $64,000 - $78,000. This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range.

Application Deadline: August 24, 2026

Joining the Alpha Omega team entitles you to participate in all retirement benefits, plans of deferred compensation, health and insurance benefits, and other such benefits as set forth in the company’s policy and benefits manuals. See below, to name a few:

• 15 days PTO including paid parental, military, and bereavement leave


• Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company’s holiday schedule each year)


• Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)


• Life Insurance, STD/LTD term disability coverage, with employer paid premiums


• 401 (k) plan with a match that is 100% vested after you complete two years of service


• FSA/DFSA/HSA flexible benefit plans


• Annual Tuition & Professional Development Reimbursement benefit.

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 Company:


Alpha Omega is an award-winning solutions provider dedicated to delivering mission-enabling technology and strategic solutions for our customers. Since our founding in 2016, we have grown to over 700 employees nationwide consisting of former operators, technologists, and strategists who bring decades of government and industry experience. They are united by one purpose: ensuring our nation’s continued global leadership.


We have a unified operating model providing technical capabilities and solutions for customers across two main business units:

• National Security – supporting agencies such as the Department of Homeland Security (DHS), Navy, Air Force, Army, and the Department of State (DOS). 


• National Resilience – supporting agencies such as Federal Deposit Insurance Corporation (FDIC), Treasury, Health & Human Services (HHS), National Institutes of Health (NIH), National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA)

Through strategic partnerships, intellectual property, and relentless drive for innovation, Alpha Omega is shaping the future of government technology. We are proud to be a Virginia Best Places to Work 8 times, an Inc. 5000 honoree 7 times, and a Washington Post Top Workplaces 4 times. Join us in driving transformation that secures the nation's future. 


 


Culture and Values:


Guided by our core values—Harmony, Engagement, Accountability, Resourcefulness, and Tenacity (HEART)— we foster a culture of innovation, collaboration, and continuous learning and are committed to delivering high-impact solutions. We recognize and reward hard work.

Alpha Omega's culture is driven by our values and mission. We invest in top talent through mentorship, growth, and meaningful work. We value individuality, reward integrity, and foster a diverse, high-performing team united by purpose-at work, in service, and in the community.


 


Alpha Omega Integration, LLC (Alpha Omega) is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.


 


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