F5 Network Engineer
Company: CACI
Location: Springfield
Posted on: April 2, 2026
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Job Description:
Job Title: 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 * * * The Opportunity: F5 Network
Engineer 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. Requirements: Engineer and implement solutions
for Projects based on customer Change Requests Serve as the
technical representative for assigned projects. Provide
recommendations on newly submitted action items. Coordinate issues
with the appropriate owners/organizations. Evaluate and report on
new/emerging network/communication technologies to enhance the
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, and ensures
compliance with all Government policies. Develop and maintain
network architecture diagrams. Qualifications: 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 of
related technical experience in Network and Transport technologies,
tools, and techniques 5 years experience with large-scale
enterprise/global networks in a fast-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: 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 ISC2 CISSP This position is contingent on
funding and may not be filled immediately. However, this position
is representative of positions within CACI that are consistently
available. Individuals who apply may also be considered for other
positions at CACI. 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: $86,600 -
$181,800 CACI 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.
Keywords: CACI, Montgomery Village , F5 Network Engineer, IT / Software / Systems , Springfield, Maryland
