Senior Firewall Engineer
Company: CACI
Location: Springfield
Posted on: April 2, 2026
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Job Description:
Job Title: Senior Firewall Engineer Job Category: Information
Technology Time Type: Full time Minimum Clearance Required to
Start: TS/SCI Employee Type: Regular Percentage of Travel Required:
Up to 10% Type of Travel: Local * * * The Opportunity As a member
of the TCS Network Security Services (NSS) team, you will work with
both corporate and customer leadership to research, analyze, and
implement enterprise-wide network security
solutions/capabilities/enhancements to support customer
business/mission goals and objectives. Responsibilities • Assist
with design, analysis, testing, and implementation of
state-of-the-art secure network architectures. • Conduct risk
assessment and provide design recommendations. • Manage WAN, LAN,
CAN, and remote network security as well as incident and problem
management. • Oversee security infrastructure sustainment,
maintenance, and advanced configuration. (firewalls, F5 load
balancers, web gateways, mail gateways, IDS, and management tools).
• Oversee the reporting, documentation, and investigation of all
security-related incidents; lead the development and implementation
of corrective measures. • Develop and execute standard operating
procedures (SOPs) for security tools. • Evaluate and report on new
network Security technologies to enhance the capabilities of the
network. • Act as liaison to the contract and customer management,
and government Designated Approving Authority (DAA) regarding
network security status, policies, and procedures. Qualifications
Required: • TS/SCI (current) • Must be able to successfully
pass/maintain a U.S. Government Polygraph (post-hire) • BA/BS
Degree and typically between Two (2) and Eight (8) years of related
technical experience in Network Security with large-scale
enterprise/global networks in a high-paced, diverse environment.
(Additional experience may be considered instead of a degree.) •
DoD 8140.01 and DoD 8570.01-M IAT Level II compliant certification
(current) • Must be able to successfully obtain/maintain CSSP
Infrastructure Support certification within 120 days of start date
(post-hire) • Firewalls (e.g. Palo Alto, Juniper, Cisco, etc.) •
Routers/Switches (e.g. Juniper, Cisco, etc.) • Intrusion Detection
Systems / IDS Products (e.g. FireEye, F5 Load Balancer, Cisco FTD,
etc.) • Unix, RHELS OS, Windows Enterprise AD, VMware - 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, Olney , Senior Firewall Engineer, IT / Software / Systems , Springfield, Maryland
