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CACI International F5 Network Engineer in Springfield, Virginia

F5 Network Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

Performs research, requirements analysis, design, installation, documentation, troubleshooting, and sustainment of local- and wide-area network hardware and services. Develops system specifications, architecture designs, integration and test plans, and all relevant documentation. Maintain compliance with QA standards as well as ensuring service performance indicators are met or exceeded. Experience in reviewing Mission related change requirements such as Change Requests (CRQs) and determining impacts on Transport activities across the Enterprise while providing Technical solutions.

More About This Role:

  • Engineer and implement solutions for Projects based on customer Change Requests

  • Serve as the technical representative for assigned projects.

  • Provide recommendations on newly submitted actions items.

  • Coordinate issues with the appropriate owners/organizations.

  • Evaluate and report on new/emerging network/communication technologies to enhance capacity, performance and reliability of the network.

  • Evaluate and recommend changes and/or technology upgrades to address performance, standardization and industry best practices

  • Follows all Customer network security processes and procedures, ensures compliance with all Government policies.

  • Develop and maintain network architecture diagrams.

Required Skills:

  • Security Clearance: active TS/SCI

  • Experience with F5 (APM, AFM, SSLO, etc.)

  • Competent with mutual Transport Layer Security (mTLS)

  • Experience with Online Certificate Status Protocol OCSP revocation

  • Familiar with DoD PKI, Kerberos, LDAP, Active Directory, HTML

  • Ability to describe and troubleshoot TLS/SSL handshake/connection issues

  • Experience with HTTP, SAML and OAuth

  • Network design, engineering, and implementation (Advanced Level)

  • Creation of network related Rough Order Magnitude (ROM) equipment lists and costing

  • Understanding of DISA and IC standards and processes

  • Interpersonal skills, to help negotiate priorities

  • Ability to work weekends and evening hours as needed

  • Ability to work independently with little direction and guidance

  • Ability to obtain and maintain a CI polygraph

  • 10+ years related technical experience in Network and Transport technologies, tools, and techniques

  • 5+ years experience with large-scale enterprise/global networks in a high paced diverse environment

  • Understanding and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions

  • IAT II Certification

Desired Skills:

  • Master’s degree in Computer Science or related field

  • F5 Networks Certified Technology Specialist (CTS)

  • CISCO CCNP, CCVP, CCNA or CCDP (or equivalent)

  • ITIL v3 Foundations




Company Overview: 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 an Equal Opportunity Employer – Females/Minorities/Protected Veterans/Individuals with Disabilities.

As a federal contractor, CACI is subject to any federal vaccine mandates or other customer vaccination requirements. All new hires are required to report their vaccination status.