Cyber Network Security Engineer
Company: CACI
Location: Chantilly
Posted on: April 1, 2026
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Job Description:
Job Title: Cyber Network Security Engineer Job Category:
Engineering Time Type: Full time Minimum Clearance Required to
Start: TS/SCI with Polygraph Employee Type: Regular Percentage of
Travel Required: None Type of Travel: None * * * The Opportunity:
You will support our work automating cybersecurity operations,
emulating adversary behavior, and improving the defensive postures
of our sponsors. You’ll evaluate tools and methodologies, assess
adversary intent, develop cybersecurity analytics and other
techniques to thwart or detect attacks, develop approaches to
automate cybersecurity operations, and engage in research to
improve the state of the practice. Responsibilities: Work closely
with red-team experts to evaluate IT environments and identify
security goals, vulnerabilities, objectives, and requirements
Perform cybersecurity operations testing, and develop improvements
to doing so, based on real adversary behavior described in
adversary emulation plans Evaluate the efficacy of existing
detection mechanisms, analytics, and mitigations Identify gaps in
visibility, data, tools, and process Address gaps within defenses
by improving systems and processes Develop approaches to automating
cybersecurity operations, reducing cost and increasing efficiency
Solve cyber problems through operations, data-driven analytics, and
development Leverage research, frameworks, and best practices to
improve the defensive posture of our sponsors Qualifications:
Required: Approximately seven years of experience as an
infrastructure operator Proficiency working in a Linux environment
– Centos, Ubuntu, Fedora, Solaris, Backtrack Database experience,
to include writing complex queries and modifying schemas (e.g.
Oracle, MySQL). Experience in a cyber-security role Experience
configuring network devices (e.g. routers, switches, etc.).
Experience performing network packet inspection, traffic analysis,
performance characterization (e.g. Wireshark, TCPdump, etc.).
Understanding of network/cyber security, penetration testing, and
information security best practices Understanding of Linux network
security tools – (e.g. Metasploit, netcat, nmap, etc.). Experience
building virtual infrastructure – (e.g. vSphere). Experience using
scripting languages for automation, parsing data sets, and network
monitoring (e.g. bash, Perl, Python, etc.). Experience in either
the design, implementation, procurement and maintenance of network
infrastructure Active TS/SCI with required polygraph 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:
$94,400 - $198,200 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, Ellicott City , Cyber Network Security Engineer, IT / Software / Systems , Chantilly, Maryland
