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CACI International Systems Engineer (TS/SCI w/ Polygraph) in Fairfax, Virginia

Job Description

Join CACI’s talented team which provides technology solutions, systems integration and operational services that guides our customer’s service-centric IT efforts. We are seeking a cleared, highly experienced Systems Engineer to support our dynamic customer in Northern Virginia.

This is a fully funded position supporting our customer in Fairfax VA. Must be fully cleared with an active security clearance.

Support a large telecommunication’s centric government agency with an external customer base of approximately 40 other government departments and agencies. In response to external customer telecommunication service inquiries, analyze and evaluate the impact of customer requirements to the Sponsor’s network domain to include specific site hardware requirements as well as hardware and bandwidth requirements across the Sponsor’s impacted regional network segments. Collaborate with the customer and with the appropriate Sponsor groups to identify, document, analyze, and validate the business and technical requirements and their traceability to Sponsor systems. Contribute to conversations with the customer regarding appropriate solutions based on their requirements and their network architecture. Perform Sponsor network architecture gap analysis and contribute to future architecture solutions planning.


Be the focal point and act as the Sponsor’s “sales engineer” to analyze and evaluate the technical aspects of external customer telecommunications customer requirements

Analyze and evaluate the impact of customer requirements to the Sponsor’s network domain. This analysis to includes validating that Sponsor equipment at specific sites will support a specific customer requirement

Analyze and evaluate the impact of customer requirements across the Sponsor’s regional network to determine network architecture equipment and bandwidth dependencies

Collaborate with the customer to define appropriate technical solutions based on the customer’s requirement and network architecture

Perform analysis to proactively forecast when equipment and bandwidth are approaching a Sponsor defined capacity threshold

Be knowledgeable of the Sponsor’s constraints and organizational objectives and periodically perform gap analysis of the Sponsor’s network; Contribute to future architecture solutions planning


4+ years of systems engineering or network engineering domain experienceExpert knowledge of Requirements EngineeringExperience with communications systems or in a commercial, industry or government communications organization

Experience with best practices for network servicesExperience with networking protocolsExperience with IT operations and O&M impacts

Excellent communication skills in technical, business, and client interactions

Proven ability in working with a multi-discipline team comprised Systems or Network EngineeringExperience working in a dynamic and collaborative environmentExperienced interpreting Network Architectural and design artifacts

Education & Experience

This position requires a bachelor’s degree and seven to nine years of related experience but for this position a bachelor’s degree in IT related subject and 4+ years’ experience; a Doctorate with 2 years; or a master’s with 3 years is acceptable.

Job Location


CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.