Site Reliability Engineer – TS/SCI with Poly

General Dynamics Information Technology

. Ensure the reliability, availability, and performance of enterprise IT systems across global environments .

Posted 5/15/2026full-timeAnnapolis Junction • Colorado, District of Columbia, Florida, Maryland, Virginia • 🇺🇸 United StatesMid-LevelSenior💰 $111,155 - $150,385 per yearWebsite

Tech Stack

Tools & technologies

AnsibleITSMPythonSplunkTerraform

About the role

Key responsibilities & impact

Ensure the reliability, availability, and performance of enterprise IT systems across global environments
Develop automation solutions that reduce manual effort, streamline operational tasks, and improve system resiliency
Build and maintain monitoring, alerting, and observability capabilities supporting 24/7/365 enterprise operations
Perform root cause analysis (RCA), corrective action planning, and long-term problem remediation for infrastructure issues
Partner with engineering teams to validate, test, and integrate new systems, upgrades, baselines, and enhancements into production
Improve system performance through configuration tuning, capacity planning, and optimization of compute, storage, network, and virtualized environments
Develop and maintain infrastructure-as-code, scripts, and operational automation to support consistent and repeatable deployments
Support enterprise incident response, including triage, escalation, and service restoration for high visibility events
Maintain operational documentation including SOPs, runbooks, baselines, dashboards, and architectural diagrams
Ensure compliance with ITIL/ITSM processes—including Incident, Problem, Change, and Configuration Management
Strengthen the enterprise security posture by supporting patching, vulnerability remediation, and RMF related configuration updates
Coordinate with global operations teams to ensure service continuity, readiness, and adherence to SLAs and KPIs
Leverage analytics, metrics, and monitoring data to identify performance trends and drive continuous service improvement initiatives

Requirements

What you’ll need

Bachelor’s degree in computer science, engineering, IT, or related technical field (Additional experience may substitute for degree)
5+ years of experience in site reliability engineering, systems engineering, enterprise operations, or DevOps roles
Hands‑on experience with automation tools (PowerShell, Python, Ansible, Terraform, etc.)
Strong experience supporting enterprise infrastructure domains including server compute, storage, virtualization, networking, and monitoring
Experience with enterprise monitoring platforms (e.g., SolarWinds, SCOM, Splunk, Nagios, ELK)
Strong understanding of ITIL/ITSM workflows and operational governance processes
Demonstrated ability to troubleshoot complex technical issues across distributed enterprise environments
Strong communication and collaboration skills working across multidisciplinary technical teams.
US citizenship required.

Benefits

Comp & perks

Comprehensive benefits and wellness packages
401K with company match
Competitive pay and paid time off
Flex work weeks
Vacation, sick and personal time
Holidays, paid parental leave
Military, bereavement, and jury duty leave
Short and long-term disability benefits
Life and accidental death and dismemberment insurance
Critical illness and business travel insurance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

automation solutionsroot cause analysisinfrastructure-as-codeconfiguration tuningcapacity planningoperational automationincident responsevulnerability remediationtroubleshootingperformance optimization

Soft Skills

communicationcollaborationproblem-solvinganalytical thinkingservice improvement