Infrastructure Engineer

Infrastructure Engineer

GDIT is seeking an experienced Infrastructure Engineer to support the Defense Enterprise Office Solution (DEOS) Cloud Service Offering. This role is responsible for designing, implementing, securing, and maintaining enterprise infrastructure supporting critical Department of Defense missions across both cloud and on-premises environments.

The ideal candidate is a technical leader with expertise in Microsoft Azure, Microsoft 365, virtualization, networking, cybersecurity, automation, and enterprise infrastructure management. The engineer will work independently and collaboratively to deliver highly available, secure, and scalable solutions.

MEANINGFUL WORK AND PERSONAL IMPACT

• Design, implement, document, and maintain enterprise infrastructure solutions.

• Manage highly available and secure enterprise IT systems supporting mission-critical operations.

• Install, configure, and maintain virtualization platforms, operating systems, applications, and supporting infrastructure.

• Troubleshoot complex issues involving compute, networking, storage, virtualization, and enterprise applications while identifying opportunities for optimization.

• Develop and maintain infrastructure standards, architecture documentation, and Standard Operating Procedures (SOPs).

• Plan and execute infrastructure upgrades, maintenance activities, and technology refresh initiatives.

• Provide technical leadership and strategic guidance to engineering teams and senior management.

• Conduct technical assessments and architecture reviews to validate designs and implementation approaches.

• Coordinate and implement environment changes through established Request for Change (RFC) processes.

• Collaborate with cybersecurity teams to obtain and maintain system accreditation packages, including security checklists, STIG compliance, diagrams, and required documentation.

• Participate in cybersecurity activities such as vulnerability assessments, environment scans, penetration testing, and security audits.

• Mentor junior engineers and promote infrastructure best practices across the organization.

• Participate in technical meetings with government customers, civilian personnel, and contractor teams.

Certification: DoD 8570 IAT Level II Required

Cloud & Identity

• Microsoft Azure

• Microsoft 365 (M365) administration and services

• Microsoft Entra ID (Azure Active Directory)

• Azure Infrastructure as a Service (IaaS)

• Azure Platform as a Service (PaaS)

Compute & Virtualization

• Windows Server administration

• Azure Virtual Desktop (AVD)

• Virtual host deployment and management

• High availability and disaster recovery design

Security

• Azure Key Vault

• Azure Disk Encryption/Disk Encryption Sets

• System hardening

• Vulnerability remediation

• DoD Cloud Computing Security Requirements Guide (CC SRG)

• Security Technical Implementation Guides (STIGs)

Networking

• Azure Virtual Networks

• Network Security Groups (NSGs)

• Application Security Groups (ASGs)

• Azure Virtual Network Gateway

• Azure Firewall

Infrastructure Management

• Group Policy (GPO) management

• Enterprise IT operations

• Performance optimization

• Capacity planning

• Infrastructure monitoring and maintenance

• Enterprise backup and disaster recovery planning

Additional Desired Skills

• Infrastructure as Code (IaC) using Terraform

• Policy as Code (PaC)

• Microsoft365DSC

• PowerShell automation and scripting

• Microsoft Graph API and Microsoft 365 automation

• Microsoft 365 administration and configuration

• Red Hat Enterprise Linux administration, hardening, and automation

• Power Platform

• Power BI

• Enterprise automation and orchestration solutions

• Security clearance level: Active DoD Secret Required
• Location: Fort Meade, MD or Chantilly, VA (100% Onsite)
• Role requirements:

• Strong analytical and troubleshooting skills

• Ability to work independently with minimal supervision

• Excellent written and verbal communication skills

• Experience supporting large-scale enterprise environments

• Ability to balance multiple priorities while meeting deadlines

• A collaborative mindset with a passion for continuous improvement and operational excellence