Senior System Engineer

Location: Hybrid;
Mostly remote, (in-person for emergencies), Springfield, VA

Reports to/Team Dynamic: Reports into the Maximus TOMCAT program delivery team; leads and cross-trains journeyman engineers supporting enterprise server operations.

This is a hands‑on senior engineering role for someone comfortable being the one in the room when something needs to get fixed onsite, not just on a ticket. You will lead journeyman engineers, run special projects like Zero Trust rollouts and data center modernization, and be trusted to walk into a high‑risk change with full readiness. There is also real ownership of disaster recovery, from the runbooks to the actual restoration testing.

• 10+ years of experience supporting enterprise server, infrastructure, systems engineering, or platform operations environments
• Bachelor's degree in Computer Science, Engineering, Information Systems, or a related technical field
• Demonstrated experience supporting virtualized, on‑premises, and hybrid infrastructure environments
• Experience leading infrastructure modernization efforts, platform upgrades, operating system patching initiatives, migrations, disaster recovery activities, or other enterprise technology projects
• Strong troubleshooting, incident response, and root cause analysis experience within mission‑critical production environments
• Experience developing and maintaining technical documentation, operational procedures, disaster recovery plans, and recovery runbooks
• Proven ability to coordinate cross‑functional efforts with infrastructure, network, security, and operations teams
• Experience supporting enterprise change management processes and high‑risk production changes

• Experience supporting federal government or large enterprise IT environments
• Familiarity with Zero Trust Architecture initiatives and security modernization efforts
• Experience supporting multi‑site data centers and hybrid cloud infrastructure
• Experience with enterprise backup and recovery platforms
• Relevant certifications such as VMware VCP, Microsoft Azure Administrator, AWS Solutions Architect, Security+, CISSP, or similar
• Cross‑trains and leads journeyman engineers while providing O&M coverage across enterprise virtual and on‑premise server environments
• Serves as temporary special‑project lead for initiatives such as OS patching, platform upgrades, infrastructure migrations, Zero Trust initiatives, firewall refreshes, and data center modernization efforts without disrupting day‑to‑day operations
• Leads infrastructure changes and maintenance activities through planning, execution, validation, and post‑implementation review to minimize operational risk and service disruption
• Provides on‑demand onsite support with full readiness, including tools, access, and documentation, for monitoring enterprise or high‑risk changes within physical infrastructure
• Maintains operational readiness for critical infrastructure support by ensuring proper access, tooling, documentation, and change management requirements are in place prior to maintenance windows and production changes
• Performs hands‑on troubleshooting, remediation, restoration, and recovery actions when remote resolution is insufficient
• Coordinates closely with data center, network, security, and critical incident management teams during operational events
• Plans and builds new environments, verifies completion of testing and deployments, and oversees migrations across data centers and cloud platforms
• Validates deployment, migration, upgrade, and modernization activities through testing, verification, and operational acceptance procedures
• Supports enterprise change management processes for production infrastructure, including participation in high‑risk and business‑critical change events
• Supports disaster recovery readiness and execution, including maintaining DR plans, procedures, runbooks, and restoration processes
• Produces test and exercise reports, status updates, and operational documentation to ensure auditability and compliance
• Performs secure backups, integrity checks, restoration testing, and executes recovery actions to protect service availability and SLA…