Linux System Administrator

Job Description

SciTec, Inc. is a dynamic small business with the mission to deliver advanced sensor data processing technologies and scientific instrumentation capabilities in support of National Security and Defense. We support customers throughout the Department of Defense and U.S. Government in building innovative new tools to deliver unique, world-class data exploitation capabilities.

Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. Applicants that do not meet this requirement will not be considered.

SciTec has an immediate opportunity for a talented engineer to support our programs delivering Next-Generation Missile Warning software. This is a unique opportunity to join a small business delivering core capabilities for National defense. You will work within a fast-paced team delivering end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.

We are seeking a skilled Linux System Administrator to support the installation, configuration, security, and ongoing operation of Linux- and Windows-based systems in a secure, mission-focused environment. The ideal candidate is hands-on, detail-oriented, and comfortable working across infrastructure, security, and operations teams.

Responsibilities

Install, configure, and maintain Red Hat Enterprise Linux (RHEL) and Windows workstations and servers in accordance with defined baselines

Implement and maintain system security, hardening, integrity monitoring, backups, and auditing

Perform patch and package management, including installation and maintenance of third-party software

Monitor system performance, availability, and health; troubleshoot and resolve hardware and software issues

Support and maintain virtualized environments (e.g., VMware)

Install, configure, and troubleshoot servers, switches, and storage systems

Configure and support networking in mixed Linux and Windows environments

Apply DISA STIGs and support compliance activities using tools such as SCAP

Document system configurations, procedures, and changes in accordance with policies and requirements

Collaborate effectively with team members, security personnel, and end users

Provide technical support and respond to operational issues through resolution

Participate in continuous improvement, automation, and modernization efforts

Perform other duties as assigned

Requirements

3+ years of professional experience administering Red Hat Enterprise Linux (RHEL) and Microsoft systems

Experience in:

Installation and configuration of servers and workstations

System security, hardening, auditing, and backup strategies

Patch and package management

Virtualization technologies

Hardware and software troubleshooting

Networking in heterogeneous (Linux/Windows) environments

Strong oral and written communication skills

Detail oriented

Proven ability to work collaboratively in a team environment

Self-motivated, detail-oriented, and able to own issues through resolution

Ability to obtain and maintain a Secret security clearance

Candidates who have any of the following skills will be preferred:

Bachelor’s degree in Information Technology, Network Engineering, Computer Engineering, or a related technical field

Experience with:

Dell servers, switches, and SAN solutions

VMware vSphere and vCenter

DISA SCAP Compliance Checker and DISA STIG implementation

RHEL 7/8/9

Amazon Web Services (AWS)

NAS and/or SAN configuration and maintenance

Automation and scripting (Bash, Python, Perl, PowerShell)

Configuration management tools (Ansible or similar)

Git/GitLab and CI/CD pipelines

Containers and orchestration (Docker, Kubernetes)

Database maintenance or basic web application support

Relevant certifications such as:

Security+

RHCSA / RHCE

Microsoft certifications

*Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.

Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information

Benefits

SciTec offers a highly competitive salary and benefits package, including:

4% Safe Harbor 401(k) match

100% company paid HSA Medical insurance, with a choice of 2 buy-up options

80% company paid Dental insurance

100% company paid Vision insurance

100% company paid Life insurance

100% company paid Long-term Disability insurance

Short-term Disability insurance

Annual Profit-Sharing Plan

Discretionary Performance Bonus

Paid Parental Leave

Generous Paid Time Off, including Holiday, Vacation, and Sick Pay

Flexible work hours

The pay range for this position is $95,000 - $117,000 / year. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.

SciTec is proud to be an Equal Opportunity employer. VET/Disabled.

Full-time