Jobs in the United States

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Added 8 mins ago
Engineer IV - Svcs RF
Ericsson
WA
Ericsson is looking for an experienced RF Engineer to join the MACS team in the USA. In this role, you will serve as a subject matter expert in RF optimization, lead engineering teams…
Added 10 mins ago
Traffic Engineer
Short-Elliott-Hendrickson, Incorporated
St. Paul, MN
Lead or contribute to traffic operations, safety, and design assignments, with opportunities to expand your expertise across disciplines.
Added 16 mins ago
Staff Systems Engineer (Redondo Beach CA)
Northrop Grumman
El Segundo
Seeking a EMI/EMC Systems Engineer to serve as the subject matter expert (SME) and technical lead for Electromagnetic Interference (EMI), Electromagnetic Compatibility (EMC), and E3…
Added 18 mins ago
Senior Electrical Engineer
CP Engineers
Remote, United States
CP Engineers is seeking a highly skilled Senior Electrical Engineer to provide technical leadership and mentorship within our electrical engineering team. This role is responsible for…
Added 18 mins ago
Water Resources Project Manager
CP Engineers
Remote, United States
…environmental sustainability. This role focuses on the management, design, permitting, and delivery of projects related to water and wastewater treatment facilities, pump stations, and…
Added 18 mins ago
Water Resources Project Manager
CP Engineers
Remote, United States
…environmental sustainability. This role focuses on the management, design, permitting, and delivery of projects related to water and wastewater treatment facilities, pump stations, and…
Added 18 mins ago
Group Manager, Water Resources Engineering
CP Engineers
Remote, United States
We are seeking a Group Manager for our Water and Wastewater team with 15+ years of experience to lead the planning, design, and construction of water and wastewater infrastructure projects.…
Added 18 mins ago
Senior Electrical Engineer
CP Engineers
Remote, United States
CP Engineers is seeking a highly skilled Senior Electrical Engineer to provide technical leadership and mentorship within our electrical engineering team. This role is responsible for…
Added 18 mins ago
Senior Electrical Engineer
CP Engineers
Remote, United States
CP Engineers is seeking a highly skilled Senior Electrical Engineer to provide technical leadership and mentorship within our electrical engineering team. This role is responsible for…
Added 18 mins ago
Group Manager, Water Resources Engineering
CP Engineers
Remote, United States
We are seeking a Group Manager for our Water and Wastewater team with 15+ years of experience to lead the planning, design, and construction of water and wastewater infrastructure projects.…
Added 18 mins ago
Water Resources Senior Project Engineer (Water or Wastewater)
CP Engineers
Remote, United States
CP is experiencing exciting, sustained growth and is looking for a talented Senior Project Engineer to join our dynamic Water Resources practice. This role offers the opportunity to work on…
Added 18 mins ago
Water Resources Senior Project Engineer (Water or Wastewater)
CP Engineers
Remote, United States
CP is experiencing exciting, sustained growth and is looking for a talented Senior Project Engineer to join our dynamic Water Resources practice. This role offers the opportunity to work on…
Added 20 mins ago
Principal Software Engineer (Prisma Access)
Palo Alto Networks, Inc.
CA
As a Principal Software Engineer for Prisma Access, you will lead the architecture, systems design, and performance optimization of cloud infrastructure underpinning Palo Alto Networks'…
Added 31 mins ago
Roadway Design Engineer/Project Manager
Harrison Consulting Solutions
Saint Louis, MO
Full-service engineering firm is seeking a Roadway Design Engineer/Project Manager for their St. Louis, Missouri office.
Added 37 mins ago
Lead Software Engineer
Mojo AI
Sandy, UT
We are seeking an experienced and highly skilled Lead Software Engineer to join our team. As the team’s technical lead, you will guide general team processes and ensure quality across both…
Added 38 mins ago
Senior Project Engineer
GPAC
Boise, ID
Senior Project Engineer – Commercial Construction
Added 40 mins ago
Supplier Quality Engineer
Honda Dev. and Mfg. of Am.,LLC
Greensburg, IN
Production Support Department: Engineer Person In Charge supports problem investigation/analysis/ report for Quality issues through blueprint reading, part measurement, Catia/3D. Support…
Added 56 mins ago
Senior Data Center Network/ Mellanox Engineer
Simple Solutions
Jacksonville, FL
Design and validate large-scale Ethernet fabrics
Added 1 hour ago
Roadway Project Manager
Harrison Consulting Solutions
Chicago, IL
Manage roadway/highway design projects from start
Added 1 hour ago
SSD Mfg NPI Product Engineer, Nitro SSD
Amazon Data Services, Inc.
Seattle, WA · Cupertino, CA
…incoming hardware quality of AWS products both proactively in the design phase as well as monitoring, reporting and investigating any early-life product failures. This role requires the…
Added 1 hour ago
Principal Quality Engineer
Twenty-Six Defense
Fort Worth, TX
The Principal Quality Engineer is an experienced-level position where the incumbent must possess an advanced level of quality engineering knowledge. Tasks at this level fall in areas where…
Added 1 hour ago
Sr. Network & Infrastructure Engineer - US
Kids2, LLC
Atlanta, GA
Lead network projects such as China connectivity and WAN and firewall refreshes, from design through cutover.
Added 1 hour ago
Principal AI translation architect 200 languages
Travoom
Remote, United States
…competing options, and generate conversational responses that lead users from discovery to…
Added 1 hour ago
Agentic Context Engineer
Wisdom AI
Remote, United States
- Engineer enterprise AI solutions: Design and build scalable context and semantic models, agentic workflows, and integrations across complex enterprise data environments.
Added 1 hour ago
S
Senior Full Stack Ruby on Rails Engineer
SmartFinancial
Remote, United States
- $150,000 to $170,000 USD / year
Lead the design, development, deployment, and maintenance of scalable, high-availability web applications using Ruby on Rails across agent-facing and carrier-facing systems.

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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