Site Reliability Engineer - TS/SCI with Poly

SITE RELIABILITY ENGINEER (SRE)

YOUR IMPACT

Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise—directly, contributing to a mission that protects our nation every day.

CIO Infrastructure Services (CIS) is evolving—and we want the talented professionals already powering the mission to help shape its future. As an incumbent supporting our customer’s enterprise IT operations, you bring essential knowledge that strengthens continuity, accelerates transition success, and drives innovation. By joining CIS, you can continue the work you excel at while gaining new opportunities to grow in modernization, engineering, automation, and enterprise‑level operations. Your experience matters here, and we’re committed to investing in your success as you continue supporting a mission that relies on your expertise.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Site Reliability Engineer (SRE) supporting CIS, you will ensure the reliability, availability, and performance of critical enterprise systems across multiple networks and environments. You’ll design and support monitoring capabilities, respond to system alerts, improve resilience, automate repeatable tasks, and ensure services operate efficiently on a scale. Your work strengthens operational stability, reduces downtime, and improves the user experience across a large, complex infrastructure.

KEY RESPONSIBILITIES:

• Collaborate with engineering, operations, and tech‑refresh teams to analyze recurring incidents, prioritize improvements, and guide the rollout of reliable new features
• Apply Infrastructure‑as‑Code (IaC), automation, and DevSecOps practices to improve consistency, efficiency, and reliability across environments
• Integrate engineering and operations workflows to enhance service reliability, reduce downtime, and ensure stable system performance
• Design, implement, and support highly scalable, resilient, and fault‑tolerant services and infrastructure components
• Bridge the gap between traditional engineering and operations by optimizing system architectures for scalability, performance, and reliability
• Identify, assess, and mitigate risks that may impact system performance, availability, or user experience
• Monitor systems using alerts, logging, ticketing data, and performance indicators to maintain system health and minimize disruptions
• Partner with operations teams to reduce Mean Time to Resolution (MTTR) and ensure rapid, effective response to service issues
• Maintain and improve internal SRE tools, including those supporting troubleshooting, CI/CD pipelines, alerting, and cross‑team communication

WHAT YOU’LL NEED TO SUCCEED:

• Clearance: Active TS/SCI with an active a Polygraph
• Education: Bachelor’s degree in an IT-related field, or 10+ years of relevant IT experience in lieu of a degree
• Certification: Meet DoD 8140 Information Assurance Workforce certification requirements (e.g., CompTIA Security+)
• Hands‑on experience with enterprise monitoring tools (e.g., SCOM, SolarWinds, AppDynamics, or similar)
• Strong knowledge of system reliability practices, including high availability, performance tuning, automation, alerting, and troubleshooting
• Experience supporting large‑scale, multi‑network infrastructure environments
• Ability to interpret monitoring data, diagnose issues, and recommend improvements to stability and resilience
• Strong communication, documentation, and coordination skills
• Familiarity with ITIL/ITSM frameworks and change management processes is highly desired

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#CIS