Classified Infrastructure Engineer, Manager

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies – collaborating with industry and academia to deliver integrated, high-impact solutions that advance our nation’s health, security, and prosperity.

Our people tackle the toughest technical challenges, supported by competitive benefits, meaningful career development, and a culture of innovation, collaboration, and technical excellence. Choose MITRE for a career with purpose — and help shape the future.

Department Summary:

MITRE’s Classified Enterprise Infrastructure Services team is seeking a Principal Engineer in support of MITRE’s enterprise classified infrastructure service portfolio.  The successful candidate will have primary responsibility for the development, operational, and sustainment of one or more capabilities or services in the portfolio.

Key Responsibilities Leadership & Team Management Lead, mentor, and develop a large, diverse IT team (Tier 1 & 2 support, senior engineers, and lead engineers) on the Bedford campus.

Coordinate closely with the peer Group Leader in McLean to align priorities, share best practices, and ensure consistent processes and standards across sites.

Assist team members with setting individual and team goals aligned to organizational objectives.

Provide ongoing coaching and feedback throughout the year and conduct formal mid-year and end-of-year performance assessments.

Foster a culture of accountability, collaboration, continuous improvement, and customer focus.

Manage staffing levels, workload distribution, and professional development plans.

Operations, Sustainment & Lifecycle Management Oversee day-to-day operations of multiple classified networks (Secret and Top Secret collateral) supporting multiple sites.

Ensure availability, reliability, and performance of core services including Splunk, Exchange, VMware, Active Directory, Trellix, Comm Vault, SharePoint, and related infrastructure.

Direct Tier 1 and Tier 2 support activities, ensuring timely incident resolution, effective problem management, and high-quality customer service.

Coordinate planned maintenance, patching, change management, and system upgrades with minimal disruption to users.

Manage the full lifecycle of hardware and software assets, including planning, procurement, deployment, maintenance, refresh, and decommissioning.

Maintain accurate inventory and lifecycle tracking for systems, licenses, and hardware across all supported networks and sites.

Network & Systems Engineering Manage senior and lead engineers in the design, implementation, and enhancement of network and system architecture across multiple security domains and locations.

Oversee planning and execution of infrastructure projects, expansions, and technology refresh efforts.

Ensure integration and interoperability of systems supporting enterprise capabilities, including logging/monitoring (Splunk), messaging (Exchange), virtualization (VMware), identity and access (Active Directory), endpoint security (Trellix), backup/recovery (Commvault), and collaboration platforms (SharePoint).Provide oversight for indirect support of project VMs, ensuring underlying infrastructure and shared services meet project requirements.

Security, Compliance & Risk Management Ensure all networks and systems comply with applicable security policies, accreditation requirements, and regulatory standards for Secret and…