Sr. System Engineer

We are currently seeking multiple Senior Systems Engineers to our DoD customer. The objective of the Software Systems Design and Development task area is to design, develop, integrate, sustain, and synchronize systems to meet the needs of the nation's Warfighters, national level leaders, and mission and coalition partner organizations., * Support and enhance enterprise services and applications in secure environments

• Administer and maintain Linux systems (RHEL or equivalent) across distributed environments
• Troubleshoot and resolve system performance, reliability, and integration issues
• Implement and maintain secure configurations, including PKI integration and data protection controls
• Collaborate with networking and cybersecurity teams to ensure system availability and security compliance
• Develop and maintain automation for system deployment, configuration, and operations
• Create and maintain technical documentation (SOPs, system diagrams, implementation guidance)
• Support RMF/ATO activities, STIG compliance, and vulnerability remediation
• Contribute to system upgrades, tech refresh, and operational sustainment efforts

Do you have experience in Vulnerability management?, * Active TS clearance

• 8+ years of experience in Linux systems administration/engineering (RHEL or equivalent)

• Experience supporting enterprise applications or services in secure environments

• Strong troubleshooting skills across OS, application, and infrastructure layers

• Experience with automation and configuration management (e.g., Ansible or equivalent)

• Familiarity with PKI, certificate-based authentication, and secure system configurations

• Experience with STIGs, RMF, and vulnerability management tools (e.g., Nessus/ACAS)

• Ability to create clear technical documentation

• Strong communication and collaboration skills

Preferred Skills:

• Experience supporting high-throughput or data-intensive systems
• Familiarity with distributed or highly available system architectures
• Experience with virtualization or cloud environments
• Exposure to Zero Trust or modern security architectures
• Experience configuring and maintaining F5 BIG-IP solutions, including Access Policy Manager (APM) or Secure Web Gateway (SWG) for proxy or access services
• Prior experience supporting DoD or federal programs

Pulled from the full job description

• Health insurance
• 401(k) matching
• Paid time off
• Vision insurance
• Dental insurance
• Paid holidays, * Excellent compensation commensurate with experience in related field(s) and performance
• Major medical, dental, and vision
• 401k matching
• Paid holidays
• Paid Time Off (PTO)

Soliel is an innovative, premium engineering company specializing in providing Enterprise Architecture, Network Design, Engineering, and Operations Support, Software Design and Development, Data Center Design, Deployment and Migration, and Systems Engineering services for both public and private sectors.Our Federal systems integration team manages the complexity inherent with technology change, from requirements planning to architecture, testing to deployment, and beyond. We also offer a complete range of industry-leading services, including architecture, systems development, information assurance, solution and platform integration, and program management, functional, and testing services. Over the years, Soliel's team of technical experts has consistently delivered outstanding innovative solutions and services that meet or exceed customer expectations and satisfaction.