All hired employees are expected to have experience with Microsoft Copilot and / or an approved equivalent AI solution.

The Lead Network Engineer serves as the technical subject matter expert responsible for the design, engineering, implementation, and sustainment of CISA’s enterprise network infrastructure. This role ensures delivery of secure, scalable, high-performance network solutions across cloud, on-premise, and hybrid environments in support of CISA’s mission.

The Lead Network Engineer provides advanced technical leadership, supports enterprise modernization initiatives, and ensures network environments are resilient, interoperable, and compliant with DHS security requirements.

Key Responsibilities

Network Architecture & Design

Lead design and engineering of enterprise network infrastructure (WAN, LAN, DNS, wireless, and cloud networking)
Develop and maintain network architecture designs and supporting documentation
Ensure solutions meet performance, scalability, and security requirements

Engineering & Implementation

Engineer, test, and implement network solutions across CISA facilities and cloud environments
Support deployment of connectivity to cloud services (e.g., hybrid and multi-cloud architectures)
Ensure all implementations meet DHS and CISA security standards

Technical Expertise & Tier 3 Support

Provide advanced (Tier 3) troubleshooting and escalation support for network incidents and issues
Lead root cause analysis and resolution of complex network problems
Provide expert technical guidance to engineering teams and Government stakeholders

Infrastructure Operations & Optimization

Maintain the integrity and performance of enterprise network systems
Support monitoring, capacity planning, and performance optimization
Ensure network reliability, availability, and resilience across environments

Configuration & Change Management

Develop and implement network-related Change Requests (CRs) and documentation
Support configuration management processes and review gates
Coordinate with stakeholders for approvals, implementation, and communication

Testing & Integration

Conduct testing of hardware, software, and network solutions prior to production deployment
Develop and execute test plans and validate system performance and integration
Produce test reports and support implementation plans

Security & Compliance

Implement and maintain network security controls in accordance with DHS policies and NIST standards
Support vulnerability management, patching, and system hardening
Ensure compliance with federal security requirements and operational standards

Required Qualifications

Education

Bachelor’s degree in Engineering, Computer Science, Information Systems, or related field
Additional experience may substitute for formal education (per Government guidance)

Experience

Minimum 10 years of experience in network engineering and design
Demonstrated experience with enterprise network infrastructure and large-scale environments
Experience supporting federal IT systems and mission-critical operations

Desired Qualifications

Experience with cloud networking (AWS, Azure, hybrid cloud environments)
Familiarity with DHS/CISA network environments and security requirements
Experience integrating identity, access management, and enterprise services
Relevant technical certifications (e.g., CCNP, CCIE, CISSP)

Key Competencies

Enterprise network architecture and design
Advanced troubleshooting and problem resolution
Cloud and hybrid network engineering
Security-focused network implementation
Collaboration and technical leadership

Work Environment & Requirements

Ability to support classified environments up to Top Secret/SCI clearance
Required to support on-site operations at DHS facilities with some telework flexibility
May require support during non-standard hours to maintain operational continuity

Many of DSA's positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. DSA is proud to be an Equal Opportunity Employer. DSA is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status. DSA requires background checks , where permitted , by law. DSA is an E-Verify Employer.

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