Senior Infrastructure Systems Engineer (TS/SCI with CI Poly Required)
About The Position
DeNOVO Solutions is seeking a Senior Infrastructure Systems Engineer to support, maintain, and modernize enterprise IT infrastructure across classified and unclassified environments. This role requires a well-rounded infrastructure professional with expertise spanning systems administration, network engineering, enterprise storage, backup and recovery operations, and automation initiatives. The engineer will maintain critical infrastructure while helping drive future-state improvements through scripting, automation, and emerging AI-enabled operational efficiencies, working closely with cybersecurity teams, engineers, and leadership to ensure infrastructure remains secure, scalable, resilient, and compliant with accreditation requirements.
Requirements
- Strong experience in systems administration across Windows and Linux environments
- Strong networking experience supporting enterprise infrastructure
- Experience managing enterprise storage systems and SAN/NAS platforms
- Experience managing backup and recovery platforms
- Experience with virtualization platforms (VMware preferred)
- Experience with scripting and automation (PowerShell, Python, Bash)
- Experience supporting classified environments
- 8+ years of experience supporting enterprise IT infrastructure
- Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience
- Active Security+ CE (or IAT Level II equivalent)
- Active TS/SCI with CI Polygraph Required
Nice To Haves
- Exchange administration experience
- Experience with AI-driven automation tools
- Experience with monitoring tools such as SolarWinds, Splunk, Nagios, or similar tools
- Experience with infrastructure documentation platforms
- SAFe/Agile experience
- Experience with Jira and Confluence
- Cloud exposure with AWS/Azure GovCloud is a plus
Responsibilities
- Administer and maintain Windows and Linux server environments
- Manage Active Directory, Group Policy, DNS, DHCP, file services, and enterprise authentication systems
- Support virtualization platforms including VMware vSphere/ESXi
- Perform patching, upgrades, lifecycle replacements, and system hardening
- Support Exchange administration (preferred)
- Maintain enterprise switching, routing, firewalls, and network appliances
- Troubleshoot network connectivity, routing, VLANs, VPNs, and firewall issues
- Support Cisco, Juniper, Palo Alto, Fortinet, or similar infrastructure
- Maintain network documentation and diagrams
- Manage enterprise storage environments including NetApp, Dell EMC Unity, PowerMax, Hitachi VSP, or similar SAN/NAS platforms
- Perform storage provisioning, capacity planning, LUN management, and performance troubleshooting
- Manage backup infrastructure including Veeam, Commvault, Rubrik, Veritas, or similar platforms
- Conduct disaster recovery testing and restore validation
- Develop automation scripts using PowerShell, Python, and Bash
- Automate repetitive infrastructure tasks
- Improve operational efficiency through infrastructure-as-code and workflow automation
- Evaluate opportunities to leverage AI tools for monitoring, reporting, documentation, and operational efficiencies
- Support accreditation requirements for classified environments
- Maintain compliance with security controls
- Support audits and vulnerability remediation
- Work closely with ISSOs, ISSMs, and cybersecurity teams
Benefits
- Medical, Dental, and Vision Premiums 100% Employer Paid for you and your legal dependents or plus up, cost split plan.
- DeNOVO Paid Health Reimbursement Account (HRA)
- 401k with 6% Match
- 11 Paid Federal Holidays
- 120 hours of Paid Time Off (PTO)
- Company Outings and Trips
- Tuition Reimbursement, Skillset Training, and New/Renewed Certification assistance
- HomeFundIt Company Down Payment Match - Employer match towards the down payment of buying a new home
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What This Job Offers
Job Type
Full-time
Career Level
Senior
