SME Network Engineer

CACI International•Ashburn, VA

2d•$120,800 - $265,800

About The Position

CACI is seeking a SME Network Engineer for the Global Mission Operations Support (GMOS) contract supporting the Department of State. The role provides subject matter expertise and technical leadership for network modernization and operations across a large, geographically distributed federal environment. The GMOS program modernizes and maintains applications and infrastructure using an integrated IT Service Management approach to support a program of national importance. The engineer will guide enterprise network architecture, high-availability services, WAN upgrades, Software-Defined Data Center technologies, disaster recovery, and DevSecOps practices. The role also serves as a senior technical advisor for critical incident management, establishes network standards and performance frameworks, and mentors engineering teams. The position requires an active Secret clearance and offers full-time, regular employment with up to 10% local travel.

Requirements

Bachelor's degree and 13 years of experience in related fields, such as network engineering, network architecture, enterprise architecture, infrastructure design, or IT operations leadership; equivalencies considered.
Active Secret clearance.
Experience providing strategic leadership for enterprise network engineering across large-scale, geographically distributed federal environments.
Expertise in high-availability network architectures, Software-Defined Data Center technologies, and disaster-recovery network design.
Experience with Zero-Trust Network Architectures and systems such as zScaler, Cloudflare, NSX-T, Illumio, Cisco, or Palo Alto.
Leadership ability and experience serving as a technical authority, influencing enterprise strategy, mentoring engineering teams, and driving innovation across strategic initiatives.

Nice To Haves

Prior experience supporting federal agencies, especially the Department of State.
Professional certifications such as Cisco CCIE or Palo Alto Networks PCN.
Strong proficiency with DevSecOps tools and advanced CI/CD pipeline architecture, particularly Ansible, Terraform, and enterprise automation frameworks.

Responsibilities

Provide subject matter expertise and strategic guidance on high-availability network architectures, including load balancing, denial-of-service detection, and dynamic service health checks for public-facing websites.
Serve as technical authority for WAN upgrade initiatives connecting CONUS and OCONUS facilities and integrate connectivity with more than 42 external partner agencies.
Advise on Enterprise Operations Center critical incident management and provide consultation to DT ENMOC and strategic crisis-management guidance for domestic or world events.
Establish network standards, procedures manuals, and performance-management frameworks, and advise on component tuning in accordance with change-management procedures.
Define technical strategy and best practices for Software-Defined Data Center network technologies, including implementation approaches that optimize resource allocation and strengthen security through policy-driven automation.
Provide consultation on disaster-recovery network infrastructure design, including 2N redundancy, automated failover, continuous monitoring, and quarterly DR testing.
Advise on DevSecOps tooling and CI/CD pipeline architecture, including continuous build, test, security validation, and results-analysis automation.
Lead enterprise network architecture planning and roadmap development in alignment with Department of State strategic objectives and federal requirements.
Provide technical leadership for network engineering projects across more than 350 global facilities, ensuring compliance with security policies, performance standards, and operational expectations.
Evaluate and resolve highly complex technical challenges, influence enterprise-wide technical direction, mentor engineering teams, and drive innovation across strategic initiatives.