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MANTECH · 1 month ago

Lead Network and Infrastructure Engineer

Herndon, VA

Full-time

Onsite

Senior Level, Lead/Staff

8+ years exp

MANTECH seeks a motivated, career and customer-oriented Lead Network and Infrastructure Engineer to join their team in Herndon, VA. The role involves designing, implementing, and maintaining secure and scalable network infrastructure for federal clients, ensuring compliance with government security standards and leading strategic oversight for infrastructure management.

Cyber SecurityInformation TechnologySecurityTelecommunications

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Design, deploy, and manage secure, scalable network and related infrastructure (compute, storage, etc.) solutions across enterprise and mission-critical environments

Perform network capacity planning, performance tuning, and optimization

Ensure network architecture and infrastructure complies with federal security standards for the respective national security customer (e.g., DISA STIGs, FISMA, FedRAMP, NIST 800-53)

Develop and maintain documentation including network and infrastructure diagrams, SOPs, and contingency plans

Collaborate with cybersecurity, systems engineering, and cloud teams to align on end-to-end architecture, and to support implementation, maintenance and incident response

Manage vendor relationships, evaluate tools, and implement new technologies as appropriate

Support ATO/accreditation efforts and participate in security audits and assessments

Provide escalation support and technical leadership during network incidents and outages

Interact with other area Leads to understand dependencies and technical resources to craft a repeatable architecture solution

Qualification

Network architectureCisco technologiesFederal security standardsCloud network integrationsTerraform scriptingNetwork troubleshootingVendor managementSecurity auditsTechnical leadershipDocumentation skillsCollaboration with teams