Jobs in the United States

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Maintainability Engineer
Actalent
Greensboro, NC
As an experienced Maintainability Engineer, you will monitor and analyze vehicle maintenance data to identify trends and patterns and recommend corrective actions as necessary. You will…
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Senior Mechanical Engineer
Actalent
Bellevue, WA
Job Title: Mechanical EngineerJob DescriptionWe are seeking a hands-on Mechanical Engineer to advance cutting-edge robotics hardware in a full-time, on-site role in Bellevue, WA. You will…
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Electrical Engineer
Actalent
Melville, NY
- $100,000 to $125,000 USD / year
Job Title: Electrical EngineerJob DescriptionThe Electrical Engineer develops concepts, designs, and documentation for electrical power distribution, control, and instrumentation systems…
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Electro Mechanical Engineer
Actalent
Kearny, NJ
Job Title: Electro Mechanical EngineerJob DescriptionThe Electro Mechanical Engineer designs and commissions bespoke reel-to-reel process machines that seamlessly integrate high-precision…
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Packaging Engineer
Actalent
East Hanover, NJ
- $43.26 to $45 USD / hour
Job Title: Packaging EngineerJob DescriptionAs a Packaging Engineer, you will be responsible for the development and deployment of packaging solutions, specifically in a fast-moving…
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Mechanical Engineer
Actalent
Whippany, NJ
Job Title: Mechanical EngineerJob DescriptionThis Mechanical Engineer role focuses on designing and analyzing components and assemblies for aerospace applications, ensuring reliable…
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Quality Engineer
Actalent
Phillipsburg, NJ
- $40 to $45 USD / hour
Job Title: Quality EngineerJob DescriptionThe Quality Engineer plays a key role in ensuring that medical device products and processes comply with FDA 21 CFR 820, ISO standards, and…
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Electronics Engineer
Actalent
Melbourne, FL
- $70 to $85 USD / hour
Job Title: Senior Electrical Engineer High-Speed Digital HardwareJob DescriptionThis Senior Electrical Engineer role focuses on leading the design, development, integration, and validation…
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Test Rngineer
Actalent
Merritt Island, FL
- $36 to $43 USD / hour
Job Title: Integration and Test EngineerJob DescriptionThe Integration and Test Engineer defines, documents, analyzes, performs, and interprets tests for products, systems, components, and…
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Mechanical Design Engineer
Actalent
Raleigh, NC
NOW HIRING: Mechanical Design EngineerWe are seeking an experienced Mechanical Design Engineer to support the design, development, validation, and release of industrial Ethernet networking…
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Associate Quality Engineer
Quest Global
Windsor, CT
- $23 to $26 USD / hour
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Associate Quality Engineer
Quest Global
Windsor, CT
- $23 to $26 USD / hour
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Electrical Engineer
Actalent
Nunica, MI
- $55 to $60 USD / hour
The Sr. Electrical Engineer is responsible for the design, integration, and validation of electrical systems, wiring harnesses, and vehicle-related electrical components. This role supports…
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Civil Professional Engineer (PE)
GPAC
Phoenix, AZ
- $90,000 to $110,000 USD / year
We are seeking a licensed Civil Professional Engineer (PE) to join our growing civil engineering division of our multi-disciplinary firm. The successful candidate will lead the design and…
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Plant Layout Engineer
Actalent
Austin, TX
Job Title: Plant Layout EngineerJob DescriptionThe Plant Layout Engineer develops and maintains highly coordinated 3D factory layouts using BIM tools to support efficient, safe, and…
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Senior Software & AI Engineer
Abbott Laboratories
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Senior Microwave & Linac Scientist
x Varian Medical Systems, Inc.
United States
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DevOps Engineer – Member of Technical Staff (MTS)
Salesforce, Inc.
CA
- $117,200 to $194,200 USD / year
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Firmware Engineer Co-op
Beckman Coulter, Inc.
Indianapolis, IN
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Embedded Systems Staff Engineer
Bugcrowd
Remote, United States
- $96.75 to $133.03 USD / hour
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Structural Engineer
Express Employment Professionals
Greenwood, IN
A well-established and growing construction-focused organization is seeking a Structural Engineer to support the design, analysis, and execution of complex steel construction projects. This…
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Full Stack Software Engineer
System One
Cape Canaveral, FL
Experience with Oracle software development including developing packages, stored procedures, triggers, functions, and indexes
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Electrical Engineer / Electronic Engineer
System One
Columbus, OH
- $43 to $55 USD / hour
Job Title: Electrical Engineer / Electronic Engineer (Remote / Travel)
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Electrical Engineer / Electronic Engineer
System One
Fargo, ND
- $43 to $55 USD / hour
Job Title: Electrical Engineer / Electronic Engineer (Remote / Travel)
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Electrical Engineer / Electronic Engineer
System One
Minneapolis, MN
- $43 to $55 USD / hour
Job Title: Electrical Engineer / Electronic Engineer (Remote / Travel)

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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