Red Hat Platform Engineer

Castellum Inc
Lakehurst, NJ
JOB SUMMARY

Find out if this opportunity is a good fit by reading all of the information that follows below.

Specialty Systems, Inc. has an opening for a RED Hat Platform Engineer to join our team of technical professionals supporting Government customers and national security mission requirements. In this role, you will support the design, implementation, automation, and sustainment of Red Hat Enterprise Linux (RHEL)-based platform environments supporting mission-critical defense systems and software-intensive applications.

The position involves working within Government-provided environments while supporting secure infrastructure operations, platform modernization, DevSecOps integration, and system lifecycle management activities. As a member of the Specialty Systems team, you will contribute directly to secure and reliable platform solutions that support critical defense and intelligence missions.

This position is located at our customer site location. In this position, you will work our customer’s Compressed Work Schedule which consists of working four 9-hour days (M-Th) and an 8-hour day (F) for the first week of a cycle followed by four 9-hour days (M-Th) and being off on the second Friday for the second week of a cycle. This results in a 3-day weekend every other week!

RESPONSIBILITIES

Design, implement, and maintain Red Hat Enterprise Linux (RHEL)-based platform infrastructure across development, test, and operational environments
Automate system provisioning, configuration management, deployment, and documentation using Infrastructure-as-Code (IaC) tools
Administer Linux systems including system hardening, patching, upgrades, and lifecycle management
Support containerized environments utilizing Docker, Podman, Kubernetes, and OpenShift technologies
Integrate platform capabilities into DevSecOps pipelines and CI/CD workflows
Implement and maintain security controls in compliance with DoD cybersecurity requirements including STIGs and RMF
Monitor system performance, troubleshoot platform issues, and ensure reliability, scalability, and availability
Manage storage, file systems, and system resources to optimize system performance
Support virtualization and cloud-based environments including VMware, OpenStack, AWS, or similar technologies
Collaborate with software development, systems engineering, cybersecurity, and test teams to support system integration and operational readiness
Maintain system documentation, architecture diagrams, configuration baselines, and technical procedures
Identify technical risks and support continuous improvement and modernization initiatives across platform environments

QUALIFICATIONS:

Minimum Qualifications Include:

Bachelor’s degree in Computer Science, Engineering, Information Systems, or related technical discipline preferred
Equivalent work experience may be considered in lieu of degree requirements
Active Secret Clearance required or ability to obtain and maintain a Secret Clearance
Minimum of 5 years of experience supporting Linux systems administration and engineering, preferably within RHEL-based environments
Security+ CE certification or ability to obtain certification within 3–6 months of hire
Strong experience administering and engineering Red Hat Enterprise Linux (RHEL) environments
Experience with scripting and automation using Bash, Python, Ansible, Terraform, or similar tools
Experience supporting containerization and orchestration technologies including Docker, Podman, Kubernetes, and OpenShift
Familiarity with DevSecOps methodologies and CI/CD pipeline integration
Working knowledge of networking concepts, Linux security, and infrastructure operations
Experience implementing and maintaining STIG compliance and RMF security controls
Strong troubleshooting, analytical, and problem-solving skills
Excellent written and verbal communication skills
Ability to work effectively within collaborative Government and contractor team environments

Preferred Qualifications:

Experience supporting Navy, NAVAIR, or DoD programs
Red Hat certifications such as RHCSA or RHCE
Experience supporting enterprise Kubernetes or OpenShift environments
Experience with cloud-based infrastructure and virtualization technologies
Familiarity with secure platform modernization initiatives and mission-critical system environments
Experience supporting classified or highly regulated environments

Specialty Systems, Inc. provides equal employment opportunity (EEO) to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, genetic information, marital status, ancestry, protected veteran status, or any other characteristic protected by applicable federal, state, and local laws and offers equal opportunity for VEVRAA Protected Veterans. Specialty Systems, Inc. will not discriminate against employees and job applicants who inquire about, discuss, or disclose compensation information.

Reasonable accommodation that do not cause an undue hardship on the company may be made to enable individuals with disabilities to perform essential functions, as long as that would not hinder or prevent performance of duties or be of a safety concern.

PHYSICAL DEMANDS:

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is required to reach with hands and arms. The employee is frequently required to sit, stand and walk. The employee may be required to move ten pounds and could occasionally lift or move up to twenty-five pounds. xrczosw

Disclaimer: The listed duties are not intended to serve as a comprehensive list of all duties performed by all employees in this classification, only a representative summary of primary duties and responsibilities.
Posted 2026-06-15

Recommended Jobs

Software Engineering - I

Advanced Sciences and Technologies (AS&T)
Moorestown, NJ

ROLE AND RESPONSIBILITIES Software Engineering – I Under direct supervision, helps design, develop, troubleshoot, and analyze software programs for computer-based systems. Assists in evalua…

View Details
Posted 2026-06-13

General Practitioner/Family practice/internist

Preventive Plus
Saddle Brook, NJ

Job Description Job Description Benefits/Perks Competitive Compensation Great Work Environment Career Advancement Opportunities No evenings, weekends Flexible times between 9-5 Mon…

View Details
Posted 2026-04-23

General Application

Student Transportation of America, Inc.
Bellmawr, NJ

Job Description Job Description The Road to a New Career Starts with STA! A career with Student Transportation of America is a great option for anyone seeking flexibility with their hours, the ab…

View Details
Posted 2026-03-20

Travel Registered Nurse CCU Job

Trenton, NJ

Job Overview TLC Nursing Associates, Inc. is seeking an experienced Coronary Care Unit (CCU) Registered Nurse (RN) for travel assignments. This role is ideal for RNs specializing in critical card…

View Details
Posted 2026-03-18

Waitstaff - Full Time 7a-3p and 11a-7p mixed shifts

Engel Burman at Wayne LLC
Wayne, NJ

Job Description Job Description One of the strengths that sets The Bristal apart as a luxury assisted living community is our chef-prepared cuisine and the country club dining experience we provi…

View Details
Posted 2026-06-11

Non-CDL Driver

I Halper Paper & Supplies Inc.
Bayonne, NJ

Job purpose The Driver safely operates the delivery vehicle, and follows designated routes to deliver products to customers in a timely, organized manner.  The driver is responsible for physically…

View Details
Posted 2025-11-24

Cookie Delivery Driver

Insomnia Cookies
Westfield, NJ

Job Description Job Description Insomnia Cookies is one of the fastest growing, late-night, sweet indulgence companies in the country, and at the present time, we are actively interviewing Deliv…

View Details
Posted 2026-03-17

Maintenance Planner

MalaceHR
Robbinsville, NJ

The RME Planner will be a member of the Reliability Maintenance and Engineering team and will work to maximize material handling equipment uptime for Operations associates. This position is responsib…

View Details
Posted 2026-05-20

IT Support Specialist

GenScript/ProBio
Piscataway, NJ

Job Description Job Description About GenScriptGenScript Biotech Corporation (Stock Code: 1548.HK) is a global biotechnology group. Founded in 2002, GenScript has an established global presence a…

View Details
Posted 2026-05-20