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Sr. Software Engineer – Enabling Technologies R&D (Atlanta, GA, or other unanticipated locations throughout U.S.)
Insight Global
Atlanta, GA
Our team is looking for a Sr. Software Engineer – Enabling Technologies R&D.
Added 1 min ago
Senior System Software Engineer, DGX Cloud AI Infrastructure
NVIDIA USA
CA
We’re looking for a Senior Software Engineer for the NVIDIA Recovery and Resilience team. You’ll own our AI infrastructure services, tools and open-source projects to support resilient and…
Added 1 min ago
Senior AI Engineer, AI Safety
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Remote, United States
Serving as an AI Engineer on our AI Safety Engineering team, you will have a key and adaptable role in scaling methods to secure and align advanced AI systems. Your early work will center…
Added 1 min ago
Senior Deep Learning Software Infrastructure Engineer
NVIDIA USA
CA
…We are in search of a Deep Learning Software Infrastructure Engineer to propel NVIDIA’s Autonomous Vehicles project forward. In this role, you will build and scale training libraries and…
Added 1 min ago
Machine Learning Engineer, Data Curation - Autonomous Vehicles
NVIDIA USA
CA · WA
We are looking for a Machine Learning Engineer for our Autonomous Vehicles Data Curation team. The role involves applying state-of-the-art techniques to search, curate, and evaluate…
Added 1 min ago
CU
Part-Time Online Course Facilitator: AI/ML Technology and Architecture
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Ithaca, NY
- Part-time
Brings substantial professional experience as a data scientist, machine learning engineer, NLP engineer, AI engineer, or AI/software architect, with a track record of building and deploying…
Added 9 mins ago
Mechanical Design Engineer
GPAC
Glencoe, MN
Mechanical Design Engineer | Mobile Equipment & Product Development
Added 12 mins ago
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Building Systems Research Engineer
Pacific Northwest National Laboratory
UNAVAILABLE
- $89,300 USD / year
…energy and water systems. Our core research capabilities span building performance evaluation, building control system optimization, building technology measurement, validation, and…
Added 18 mins ago
TT
Founding Senior Engineer
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New York, NY
- $175,000 to $225,000 USD / year
Join an early-stage AI company building growth automation for consumer brands. As a hands-on player-coach, you will shape the engineering foundations and help deliver systems that improve…
Added 27 mins ago
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Site Operations Manager
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Added 27 mins ago
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Senior Data Analyst
TEKsystems
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- $65 to $75 USD / hour
…patterns, anomalies, and reconciliation gaps.3.Ability to reverse-engineer transformation rules where documentation is incomplete or does not fully reflect the implemented…
Added 27 mins ago
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ISP/OSP Technician
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- $22 to $30 USD / hour
Potential advancement into Lead Technician, Engineer, or Superintendent positions
Added 27 mins ago
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Network Engineer- CCNA
TEKsystems
Charlotte, NC
- $38 to $41 USD / hour
DescriptionWe are seeking a Network Engineer to provide advanced engineering support for the organization's global Data, Voice, Security, and Wireless networks. This role will have a…
Added 27 mins ago
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ISP/OSP Technician
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Newark, OH
- $22 to $30 USD / hour
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Added 33 mins ago
Principal Engineer, Threat Hunting
T-Mobile USA, Inc.
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…package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round…
Added 35 mins ago
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Electrical Engineer
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Mountain View, CA
- $90,000 to $110,000 USD / year
This role offers an opportunity for an early-career engineer to gain hands-on experience across electrical engineering, biomedical instrumentation, and multidisciplinary system development.…
Added 37 mins ago
Marketing Lead
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San Francisco, CA
…shape how marketers think about AI, marketing, and GTM while building Flint's marketing engine from the ground…
Added 37 mins ago
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Founding Account Executive
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- $220,000 to $260,000 USD / year
…marketers. It removes the work that should never have been theirs: building a one-off landing page for every keyword, every campaign change, every A/B test, then waiting on design and…
Added 39 mins ago
Project Manager I - Rail & Transit
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Los Angeles, CA
At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For more than a century, we have been delivering solutions for some of the…
Added 41 mins ago
Senior Backend Cloud Engineer
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At Halcyon, we’re building a world-class anti-ransomware platform grounded in innovation and resilience. As part of that vision, we’re looking for a Senior Backend Engineer to join our…
Added 42 mins ago
Delivery(Post-Sale) Solutions Engineer
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Take part in building best practices and supporting the broader team
Added 42 mins ago
Senior Advanced Manufacturing Engineer
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The ideal candidate is a hands-on manufacturing engineer who enjoys building things, solving challenging problems, and taking ownership.
Added 43 mins ago
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Capital Project Manager III
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…Maleng Regional Justice Center, King County Office Buildings Building, King County Animal Shelter, and several Public Health…
Added 46 mins ago
Captain - 2027
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Excellent communication skills and team-building skills.
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Captain
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Excellent communication skills and team-building skills.

CACI

Senior Network Engineer (Firewall)

Ashburn, VA, United States
Ashburn, United States

$103,800 - $218,100 · Full-time

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Job details

Pay: $103,800 - $218,100
Job type: Full-time
Apply by: May 5, 2027
Posting language: English
Posted: Nov 6, 2026

Original job description

Job Title: Senior Network Engineer (Firewall)

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

The Opportunity:

CACI is seeking a Senior Network Engineer (Firewall) for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.

Responsibilities:

Lead implementation and management of micro-segmentation platforms, web application firewalls and Next-Generation Firewalls (NGFWs) across 350+ global facilities supporting mission-critical diplomatic operations
Lead troubleshooting of complex firewall issues, coordinating with DT teams and facilitating secure connectivity with Government agencies and partner organizations
Lead design, creation, implementation, and troubleshooting of Firewall Rules for networking devices and application communications, ensuring security while enabling business operations
Design and implement comprehensive high-availability solutions including load balancing, denial of service detection and remediation leveraging modern network security technologies
Lead coordination with DT Firewall Advisory Board for rule submissions, ensuring compliance with Department of State firewall policies and security standards
Lead network component tuning activities to maintain optimum performance and security posture in accordance with change management procedures and best practices
Develop comprehensive firewall standards, procedures manuals, and performance management procedures meeting DT/EA/CST requirements and federal compliance frameworks
Conduct firewall security assessments, vulnerability analysis, and threat modeling to proactively identify and mitigate potential security risks
Function as a technical expert across multiple project assignments, planning and leading major firewall infrastructure initiatives while mentoring team members and supervising network security operations

Qualifications:

Required –

Bachelor's degree + 8 years of experience in related fields, such as network engineering, network security, firewall administration, cybersecurity, or infrastructure engineering; equivalencies considered.
Active Secret Clearance
Proven experience implementing and managing Next-Generation Firewalls (NGFWs), web application firewalls, and enterprise firewall architectures for large-scale environments
Demonstrated expertise in firewall rule design, high-availability configurations, load balancing, and denial of service (DoS) mitigation strategies
Excellent leadership abilities with proven experience planning and leading firewall infrastructure projects, functioning as a subject matter expert, and supervising network security teams

Desired –

Prior experience supporting federal agencies, especially the Department of State
Professional certifications such as Palo Alto Networks Certified Network Security Engineer (PCNSE), Cisco CCNP Security, F5 Certified Technology Specialist (F5-CTS), or CISSP
Knowledge of Software-Defined Networking (SDN), network segmentation strategies, and experience supporting 300+ geographically distributed facilities
Demonstrated experience building and managing micro-segmentation platforms such as Illumio and VMware NSX-T
Experience with Firewall Advisory Boards, security policy development, and compliance with federal security frameworks (NIST, FISMA)
Knowledge of Software-Defined Networking (SDN), network segmentation strategies, and experience supporting 300+ geographically distributed facilities

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:

$103,800 - $218,100

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.

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