Infrastructure Engineer II (TS/SCI with Polygraph Required)

DeNOVO Solutions; Aurora (CO); On-site; USD 95,000 - 128,000; Full time

Benefits offered by this job

Medical, Dental, Vision 100% employer

HRA

401k with 6% Match

120 hours PTO

Company outings

Tuition reimbursement

Down payment match

Job summary

DeNOVO Solutions is seeking an Infrastructure Engineer II to support, maintain, and modernize enterprise IT infrastructure across classified and unclassified environments. This role spans Linux/Windows systems, virtualization, networking, storage, automation, and AI infrastructure to enable secure, scalable mission operations.

You will collaborate with senior engineers, cybersecurity professionals, and leadership to implement automation, modernize environments, and ensure compliance with DoD

Qualifications

• Four to seven years of enterprise IT infrastructure experience.
• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field, or equivalent practical experience.
• Active CompTIA Security+ CE certification or IAT Level II equivalent.
• Clearance: TS/SCI with CI Polygraph.

Responsibilities

• Administer and maintain Red Hat, Rocky Linux, Ubuntu, and Windows Server environments with AD, DNS, DHCP, and Group Policy.
• Support VMware vSphere/ESXi virtualization and Exchange/365 administration.
• Develop and maintain technical documentation and SOPs.
• Support enterprise networking, storage, backup, and security controls.

Skills

VMware

Active Directory

Networking

Storage

Automation

Linux

Windows

Kubernetes

OpenShift

AI infrastructure

Education

Bachelor's degree in CS/IT/Engineering

Tools

VMware vSphere/ESXi

NetApp

Veeam

Rubrik

Commvault

Veritas

Cisco

Juniper

Palo Alto

NVIDIA

Job description

Position: Infrastructure Engineer II (TS/SCI with Polygraph Required)

Location: Aurora, CO

Job Id: CORP-ISE2-001

# of Openings: 1

Location: Aurora, CO

Clearance: TS/SCI with CI Polygraph

Sign-On Bonus Eligible:

Engineer the Infrastructure Behind Mission Success

DeNOVO Solutions is seeking an Infrastructure Engineer II to support, maintain, and modernize enterprise IT infrastructure across classified and unclassified environments. This role is ideal for an experienced infrastructure engineer who enjoys working across systems administration, virtualization, networking, storage, automation, and emerging AI infrastructure. You'll partner with senior engineers, cybersecurity professionals, and leadership to build secure, reliable, and scalable enterprise environments that support critical mission operations.

Why You'll Love This Role:

• You'll Modernize Enterprise Infrastructure: Support next-generation infrastructure initiatives spanning virtualization, automation, enterprise storage, and AI-enabled compute environments.
• You'll Work Across the Enterprise: Gain hands-on experience supporting Linux, Windows, networking, storage, backup, and cloud technologies in highly secure environments.
• You'll Drive Operational Excellence: Help automate infrastructure management, improve system reliability, and contribute to modernization efforts supporting future mission capabilities.

A Day in the Life:

• Systems Administration: Administer and maintain Red Hat Enterprise Linux (RHEL), Rocky Linux, Ubuntu, and Microsoft Windows Server environments while supporting Active Directory, DNS, DHCP, Group Policy, file services, and authentication systems. Perform system patching, upgrades, lifecycle replacements, and system hardening activities. Support VMware vSphere/ESXi virtualization and assist with Microsoft Exchange Server and Microsoft 365 administration. Develop and maintain technical documentation and standard operating procedures.
• Network Infrastructure: Support enterprise switching, routing, firewalls, and network appliances. Troubleshoot network connectivity, VLANs, VPNs, and routing issues while maintaining classified and unclassified network infrastructure. Support Cisco, Juniper, Palo Alto, Fortinet, and related technologies. Maintain network diagrams and configuration documentation.
• Storage & Backup Administration: Support enterprise storage platforms including NetApp, Dell EMC Unity, PowerMax, Hitachi VSP, and similar SAN/NAS technologies. Perform storage provisioning, capacity planning, and performance monitoring. Support enterprise backup solutions including Veeam, Rubrik, Commvault, Veritas, and related platforms while participating in restoration activities and disaster recovery exercises.
• Linux & AI Infrastructure: Support Linux-based compute environments used for enterprise and AI workloads. Assist with GPU-enabled servers, high-performance computing environments, containerized platforms including Kubernetes, OpenShift, and Docker, and AI infrastructure initiatives utilizing NVIDIA, HPE, Dell, and virtualization technologies. Participate in infrastructure modernization, capacity planning, and performance optimization.
• Automation & Modernization: Develop automation scripts using PowerShell, Python, and Bash. Automate routine infrastructure administration, support Infrastructure-as-Code initiatives, leverage Ansible and VMware automation frameworks, and contribute to AI-enabled operational efficiencies.
• Security & Compliance: Support accreditation requirements for classified environments, maintain compliance with security controls, perform vulnerability remediation and system hardening, assist with audits, and collaborate with ISSOs, ISSMs, and cybersecurity personnel while supporting privileged user requirements and DoD cybersecurity policies.

Tools, Technologies, Skills, & Knowledge:

• Virtualization: VMware vSphere, ESXi
• Identity & Enterprise Services: Active Directory, DNS, DHCP, Group Policy, Microsoft Exchange Server, Microsoft 365
• Networking: Cisco, Juniper, Palo Alto, Fortinet, VLANs, VPNs, enterprise routing and switching
• Storage & Backup: NetApp, Dell EMC Unity, PowerMax, Hitachi VSP, SAN/NAS platforms, Veeam, Rubrik, Commvault, Veritas
• AI Infrastructure: NVIDIA, HPE, Dell GPU compute environments, high-performance computing

What You Need:

Experience

Four (4) to seven (7) years of experience supporting enterprise IT infrastructure.

Education

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience.

Certifications

Active CompTIA Security+ CE certification or IAT Level II equivalent.

Clearance

TS/SCI with CI Polygraph.

Salary Range

$95,000.00 - $128,000.00 (Commensurate with experience) Note: The above salary range is a guideline and represents a broad spectrum of potential compensation. We recognize that a candidate's unique experience and qualifications may justify compensation beyond this range. Therefore, we remain open to considering higher salary offers for exceptionally qualified candidates.

Why Join DeNOVO Solutions?

At DeNOVO Solutions, we make improving the competitive position of our customer paramount in importance and work collaboratively to ensure the best service possible. DeNOVO Solutions provides cleared personnel and cost-competitive solutions to our customers. We strive to be the leader amongst small businesses in the Intelligence Community and provide personnel with talent & skills equal to the larger companies. As a Minority-Owned and Service-Disabled Veteran-Owned Small Business (MO/SDVOSB), we are dedicated to providing the best technical and professional services throughout the Intelligence Community (IC).

Our benefits package for full-time employees includes:

• 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.
• 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.

DeNOVO Solutions is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, marital status, veteran status, sexual orientation, genetic information or any other protected characteristic under applicable law.