Senior Systems Engineer

We are seeking an experienced Senior Systems Engineer to design implement secure and sustain complex enterprise IT systems supporting missioncritical operations. This role requires deep technical expertise strong analytical and architectural skills and the ability to influence technical direction across the organization. The ideal candidate excels at leading modernization efforts integrating new capabilities and mentoring junior engineers while ensuring the reliability performance and security of enterprise systems.

Key Responsibilities

Enterprise Architecture & Systems Engineering

• Design deploy and maintain enterpriseclass systems infrastructure and services across onpremises cloud and hybrid environments.
• Lead system architecture planning modernization initiatives technology evaluations and migration strategies.
• Integrate new capabilities with existing enterprise systems while ensuring interoperability scalability and compliance with organizational standards.

Reliability Performance & Lifecycle Management

• Ensure system reliability availability and performance through proactive monitoring capacity planning and lifecycle management.
• Conduct advanced troubleshooting and rootcause analysis for complex multilayered system issues.
• Support patching STIG implementation and audit readiness to maintain security compliance.

Automation & Infrastructure as Code

• Automate system administration configuration and deployment tasks using scripting and IaC tools (PowerShell Bash Python Ansible Terraform etc.).
• Drive standardization and repeatability across infrastructure operations.

CrossFunctional Collaboration

• Partner with DevOps Security Networking Application Development and Cyber teams to deliver integrated missionaligned solutions.
• Review and validate enterprise IT requirements to ensure alignment with security scalability and operational needs.

Documentation Governance & Technical Leadership

• Develop and maintain detailed system documentation diagrams and operational procedures.
• Provide technical recommendations architecture assessments and design artifacts for enterprise IT initiatives.
• Mentor junior engineers and contribute to technical knowledge sharing across the organization.

Required Qualifications

• Bachelors degree in Computer Science Engineering or equivalent experience
• 8 years of experience in systems engineering infrastructure operations or enterprise IT roles
• DoD 8140 IAT Level II certification (e.g. CompTIA Security)
• Active TS/SCI clearance

Preferred Qualifications

• Professional certifications (AWS Azure RHCE VMware CCNA/CCNP etc.)
• Strong expertise in Windows Server and/or Linux administration
• Solid understanding of networking storage virtualization and security fundamentals
• Experience with cloud platforms (AWS Azure or GCP) and hybrid architectures
• Proficiency in scripting and automation (PowerShell Bash Python Ansible Terraform etc.)
• Experience with monitoring/observability tools (Splunk Prometheus Grafana ELK etc.)
• Familiarity with DoD cybersecurity requirements STIGs RMF and zerotrust principles

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the worlds leading mission capability integrator and transformative enterprise IT provider we deliver trusted highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land sea space air and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day our employees do the cant be done by solving the most daunting challenges facing our customers. Visit to learn how were keeping people around the world safe and secure.