Principal Computer Systems Administrator (P3) – RHEL (Linux) – Onsite, Active Clearance required, St.Petersburg, Florida

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St.Petersburg, Florida

Date Posted:



United States of America


FL915: St. Petersburg – Bldg D 7401 22nd Ave N. Building D, St. Petersburg, FL, 33710 USA

Position Role Type:


Principal Computer System Administrator (P3) – RHEL (Linux)
Raytheon Missiles & Defense Digital Technology (IT)

Program Services
St. Petersburg, FL – Onsite Position

Active Clearance Required – US DOD Secret

A great opportunity for job seekers with advanced IT Systems Administration & Defense industry experience. Join our Raytheon Technologies DT/ IT Team!

About Us

At Raytheon Missiles & Defense, by combining our vast resources and investments, we are able to dedicate ourselves to solving mission-level vs. product-level customer challenges – together we can anticipate more, move faster and make a bigger impact on the big picture.

Job Summary

Raytheon Technologies Missiles & Defense Digital Technology has an immediate opening for a Red Hat Enterprise Linux (RHEL) Administrator to join our team of qualified and diverse individuals.  The qualified candidate will work with technical engineers in building and supporting the Red Hat Enterprise Linux (RHEL) environment and developing automation strategies using containers and DevSecOps principals in support of digital technology operations.  This position is based in St. Petersburg, FL and onsite work is required. (Relocation eligible per company policy). 

Our preferred candidate has well-rounded, hands-on experience who can analyze requirements, provide operational support, Identify and fix problems within existing systems, design and implement new systems, support operating system and application installation, configuration, upgrades and patching.

Responsibilities to anticipate:

Build, configure, and administrate all aspects of Red Hat Enterprise Linux (RHEL) 4/5/6/7/8/9
Must be able to apply security hardness according to DISA STIG requirements
Build, configure, and administrate Red Hat Satellite Server
Be able to export/import Satellite repository from connected networks to multiple disconnected networks.
Familiar with Ansible and be able to deploy playbooks via the Red Hat Satellite Server.
Manage users and group accordingly.
Assist with the installation, configuration, and management of different database management systems.
Provide assistance in managing the existing VMware infrastructure
Updating and Managing the Customer specific golden RHEL images.
Provide planned and unplanned after-hours support (weekends included)
Assure a high level of reliability and performance through systems monitoring and infrastructure management.
Analyze system faults, troubleshoot, and runs diagnostic tests on operating systems and hardware to detect problems.
Interfacing with vendors for trouble calls.
Respond to online service requests from users
Ensure server and application compliance with security and performance requirements (DFARS, RMF, NIST Cybersecurity Framework)
Install, convert, and upgrade systems
Develop, revise, and maintain technical and operational documentation (including procedures) to continually improve our computing environments
Maintain and grow technical competence in multiple areas (such as Windows, Linux, virtualization, User Authentication, DNS, NFS, system imaging/build automation)
Ensuring that all the Information Assurance (IA) software security patches and version and virus signature file updates are up to date
Maintenance of system and data security processes and applications such as virus scanning, auditing, collection of audit logs, system scripts and data collections scripts
Running periodic system and data security scans, backups and recovery tasks as required per published system administration procedures.
Assisting in development and update of system administration procedures
Supporting Disaster Recovery and incident response exercises as required
Ensuring that configuration changes follow the change approval process
Knowledge of in Infrastructure as code (IaC), container orchestration deployment and monitoring, as well as understanding container SBOM versioning and vulnerabilities within the environment.
Knowledge of CI/CD development pipelines and DevSecOps tooling
Familiarization with commercial cloud capabilities and services such as AWS and Azure.  

Qualifications you Must Have:  

Typically requires a bachelor’s degree with 5 years of relevant experience; an advanced degree with 3 years’ experience, an associate degree with 7 years’ experience, or in lieu of degree, typically 9 years of relevant experience will be considered.
3+ years System Administration experience supporting production environments. (Linux environment)
Experience or training in Containers products and technologies.
An active and in-scope US DOD Secret Clearance with the ability to obtain US DOD Top secret security clearance 
VMWare / vSphere / ESXi experience

 Qualifications we Value:  

Experience implementing LUKS
Current DoD 8570 certifications (e.g., Security + CE, CISSP, etc.) or commitment to obtain the certifications within 6 months of start date.
Build RedHat KickStart configurations and perform server/workstation installations with KickStart.
Linux shell scripting.
Experience with Ansible or other server/configuration management tool.
Proficient in creating Ansible playbooks to automate operations deployment.
Minimum of 2 years of experience with Red Hat Satellite v6 or later.
Experienced with patch management using Yum or YaST.
Willingness to travel (<10%). Experience with application build automation tools like Jenkins, and Git. Knowledge of and operational experience with methodologies related to Agile and DevOps. Ability to work in a fast-paced environment with tight deadlines. Self-motivated and able to work under pressure to deliver high-quality deliverables. Ability to produce thorough and effective technical documentation. STIG (Security Technical Implementation Guide) experience. SCAP (Security Content Automation Protocol) experience. Strong adaptability (changing priorities). Experience with Performance tuning and monitoring (i.e., SolarWinds). Knowledge of DevOps and continuous integration (CI) and continuous delivery (CD) or modern application frameworks. RMF (Risk Management Framework) knowledge. Tenable / Nessus experience. McAfee / HBSS / ePO experience. Symantec knowledge. Splunk knowledge. Ivanti Endpoint Security Device Control knowledge. Strong teamwork and collaboration skills. Strong communication skills (both oral and written). Red Hat Certified Engineer (RHCE) or Certified System Administrator (RHCSA) preferred. NetApp experience.   What We Offer: Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. Employee Referral Award Eligibility: Only employees currently within RMD and RI&S have the potential to receive a Referral Award for submitting a referral to RMD and RI&S roles.  ALL eligibility requirements must be met (see guidelines) to receive the Referral Awarding. Raytheon Technologies is An Equal Opportunity/Affirmative Action 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, age or any other federally protected class. RTX Raytheon / Equal Opportunity Employer JBRTX-01600885  2023.03.10

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SKITT, SKLNX, FVR02 SKUUU, St.Petersburg, Florida St.Petersburg, Florida  ZC ZCCX