JOB SUMMARY
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 environments.
- Automate system provisioning, configuration management, documentation, and deployment using Infrastructure-as-Code tools.
- Administer and maintain Linux systems, including system hardening, patching, and lifecycle management.
- Implement and maintain security controls in compliance with DoD requirements (STIGs, RMF).
- Monitor system performance, troubleshoot issues, and ensure platform reliability and scalability.
- Coordinate patching, updates, vulnerability remediation, and lifecycle maintenance of Windows systems.
- Manage storage, file systems, and system resources for optimal performance.
- Collaborate with Agile software, systems engineering, cybersecurity, and automated/manual test teams to support platform integration and delivery.
- Maintain documentation, system baselines, and architecture artifacts to support program requirements.
- Identify risks, recommend improvements, and support modernization initiatives across platform environments.
QUALIFICATIONS:
- Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related technical field is preferred. Equivalent work experience may be considered.
- Active Secret security clearance or the ability to obtain an interim Secret clearance within approximately four weeks after submission of the clearance application.
- 5+ years of experience supporting Windows-based enterprise environments or platform engineering roles.
- Security+ CE or ability to obtain within 3–6 months.
Technical Requirements:
- Strong experience with Red Hat Enterprise Linux (RHEL) systems administration and engineering.
- Experience with scripting (Bash, Python) and automation tools (Ansible, Terraform).
- Working knowledge of networking concepts and system security.
- Experience implementing and maintaining compliance standards (STIG, RMF, or similar).
Preferred Qualifications:
- Experience supporting Navy or DoD programs.
- Red Hat certifications (RHCSA, RHCE).
- Familiarity with DevSecOps practices and CI/CD pipelines.
- Experience with containerization and orchestration (Docker, Podman, Kubernetes, OpenShift).
- Experience with OpenShift or enterprise Kubernetes platforms
- Experience with cloud environments.
- Familiarity with Infrastructure-as-Code tools (Ansible, Terraform, or similar).
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.
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.
Skills Required
- Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related technical field, or equivalent work experience
- Active Secret security clearance or ability to obtain an interim Secret clearance within approximately four weeks
- At least 5 years of experience supporting Windows-based enterprise environments or platform engineering roles
- Security+ CE certification or ability to obtain it within 3–6 months
- Strong experience with Red Hat Enterprise Linux systems administration and engineering
- Experience with Bash or Python scripting
- Experience with Ansible, Terraform, or similar automation and Infrastructure-as-Code tools
- Working knowledge of networking concepts and system security
- Experience implementing and maintaining STIG, RMF, or similar compliance standards
- Experience supporting Navy or Department of Defense programs
- Red Hat certifications such as RHCSA or RHCE
- Familiarity with DevSecOps practices and CI/CD pipelines
- Experience with Docker, Podman, Kubernetes, or OpenShift
- Experience with cloud environments
What We Do
Castellum is a defense-focused technology and solutions company that supports U.S. national-security and government missions. Its services span intelligence analysis, software development, systems engineering and modernization, program management, mission planning, electronic warfare, cybersecurity, data analytics, and digital engineering. It also provides technology, engineering, logistics, cyber, and mission-support solutions and is expanding into advanced technology products and partner-driven offerings for cyber, training, and operational needs.
