Senior SRE: Cloud Reliability & Automation Lead

Serco; Annapolis (MD); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Serco Inc. is seeking a Senior Site Reliability Engineer to enhance reliability, availability, security, and performance of AWS-hosted applications and infrastructure.

The role partners with development, cloud infrastructure, cybersecurity, and operations teams to automate deployments and manage containerized workloads. The successful candidate will have a strong systems admin and cloud engineering foundation, focusing on automation-first approaches, monitoring, IaC, automated testing, and

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related technical field.
• 10 years of experience in systems administration, cloud engineering, DevOps, SRE, or a related technical role.
• Active interim or Secret security clearance.
• Active CompTIA Security+ certification.
• Hands-on experience with AWS services and cloud infrastructure.
• Experience with Linux (RHEL preferred).
• Experience with Docker container technologies.
• Experience with container orchestration (Kubernetes/EKS/ECS).
• Experience building/managing container images and registries.
• Experience developing or troubleshooting CI/CD pipelines.
• Git and source-code management knowledge.
• Scripting/automation with Python, Bash, etc.
• Networking fundamentals (TCP/IP, DNS, HTTP/HTTPS, load balancers, firewalls).
• Ability to travel 10%.

Responsibilities

• Serve as a senior technical authority for AWS cloud infrastructure, Linux platforms, containers, CI/CD, automation, and best practices.
• Architect, implement, and improve reliability, availability, performance, and security of AWS-hosted apps and infra.
• Design and support containerized applications using Docker, Kubernetes, ECS, and EKS.
• Administer and troubleshoot RHEL servers and services.
• Establish and implement Infrastructure as Code (IaC) and configuration-management standards.
• Develop and troubleshoot CI/CD pipelines for building, testing, scanning, and deploying apps and infra.
• Design and implement container orchestration platforms and automated deployments.
• Automate provisioning, configuration, deployment, and operational tasks.
• Implement and maintain monitoring, logging, alerting, and observability solutions.
• Lead troubleshooting of complex production issues across apps, containers, OS, networks, CI/CD, and AWS infrastructure.
• Participate in incident response, root-cause analysis, and corrective actions.
• Identify repetitive tasks and automate to reduce manual effort and risk.
• Work with development and security teams to integrate security controls and automated testing into CI/CD.
• Develop and maintain runbooks and standard operating procedures.
• Support patching, vulnerability remediation, configuration management, and security-hardening activities.

Skills

AWS cloud

Linux

Docker

Kubernetes

CI/CD

IaC

Automation

Python/Bash

Git

Networking

Security

Incident response

Collaboration

Travel

Education

Bachelor’s degree in CS/IT/Engineering

Tools

Docker

Kubernetes

Amazon ECS

Amazon EKS

Git

CI/CD tooling

Job description

Serco Inc. is seeking a Senior Site Reliability Engineer to enhance reliability, availability, security, and performance of AWS-hosted applications and infrastructure.

The role partners with development, cloud infrastructure, cybersecurity, and operations teams to automate deployments and manage containerized workloads. The successful candidate will have a strong systems admin and cloud engineering foundation, focusing on automation-first approaches, monitoring, IaC, automated testing, and