SME Network Engineer

CACI International; Ashburn (VA); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI International Inc. seeks a Subject Matter Expert Network Engineer to lead high-availability network architectures and drive modernization for a DoS-focused GMOS program. You will guide a high-performing team, set standards, and act as the technical authority for enterprise WAN upgrades across global facilities.

The role emphasizes disaster recovery, SDDC strategy, and DevSecOps tooling with CI/CD automation. A Secret clearance and federal program experience are required.

Qualifications

• Bachelor's degree + 13 years of related experience.
• Active Secret Clearance.
• Experience leading enterprise network engineering in federal environments.
• Expert in high-availability networks, SDDC, and disaster recovery design.

Responsibilities

• Provide SME guidance on high-availability network architectures and health checks.
• Act as technical authority for WAN upgrades across CONUS/OCONUS facilities.
• Serve as senior adviser for EOC incident management and crisis guidance.
• Define network standards, procedures, and performance frameworks.
• Lead 350+ global facilities network projects with security compliance.
• Advise on SDDC strategies and policy-driven automation.

Skills

High-availability networks

SDDC technologies

Zero-Trust architectures

DevSecOps tooling

Ansible

Terraform

SonarQube

Technical leadership

Mentoring teams

Education

Bachelor's degree

Tools

zScaler

Cloudflare

NSX-T

Illumio

Cisco

Palo Alto

Job description

Job Title: SME Network EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:CACI is seeking a SME Network Engineer for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.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 to maximize availability of public-facing websitesServe as technical authority for network upgrade initiatives across WAN links connecting CONUS and OCONUS facilities, ensuring modernized connectivity standards and seamless integration with 42+ external partner agenciesAct as senior technical advisor for Enterprise Operations Center (EOC) critical incident management, providing expert consultation to DT ENMOC and delivering strategic crisis management guidance for domestic or world eventsEstablish and govern network standards, procedures manuals, and performance management frameworks while providing expert guidance on component tuning in accordance with change management proceduresDefine technical strategy and best practices for Software-Defined Data Center (SDDC) network technologies, guiding implementation approaches that optimize resource allocation and strengthen security through policy-driven automationProvide authoritative consultation on disaster recovery (DR) network infrastructure design including 2N redundancy strategies, automated failover architectures, continuous monitoring frameworks, and quarterly DR testing protocolsDemonstrate mastery of DevSecOps tooling (e.g., Ansible, Terraform, SonarQube) and advise on CI/CD pipeline architecture with expertise in continuous build, test, security validation, and results analysis automationLead enterprise network architecture planning and roadmap development, aligning network modernization initiatives with Department of State strategic objectives and federal requirementsProvide technical leadership for complex network engineering projects spanning 350+ global facilities, ensuring adherence to security policies, performance standards, and operational excellenceServe as recognized technical authority with deep expertise across key domains, evaluating and resolving highly complex technical challenges, influencing enterprise-wide technical direction, mentoring engineering teams, and driving innovation across multiple strategic initiativesQualifications:Required –Bachelor's degree + 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 ClearanceProven experience providing strategic leadership for enterprise network engineering across large-scale, geographically distributed federal environmentsDemonstrated expertise in high-availability network architectures, Software-Defined Data Center (SDDC) technologies, and disaster recovery network designProven experience with Zero-Trust Network Architectures and systems (e.g. zScaler, Cloudflare, NSX-T, Illumio, Cisco, Palo Alto)Excellent leadership abilities with proven experience serving as a technical authority, influencing enterprise strategy, mentoring engineering teams, and driving innovation across multiple strategic initiativesDesired –Prior experience supporting federal agencies, especially the Department of StateProfessional certifications such as Cisco CCIE, Palo Alto Networks PCNStrong proficiency with DevSecOps tools and advanced CI/CD pipeline architecture, particularly with Ansible, Terraform, and enterprise automation frameworks-What You Can Expect: A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.Pay Range :There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.The proposed salary range for this position is:$120,800 - $265,800CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.