Jobs in the United States

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Added 1 min ago
Staff Site Reliability Engineer, InfraSec
MongoDB
NY
Secure containerized infrastructure across multi-cloud environments via RBAC, network policies, admission controls (Gatekeeper), and runtime threat detection
Added 1 min ago
Senior Site Reliability Engineer, InfraSec
MongoDB
Dallas, TX
Secure containerized infrastructure across multi-cloud environments via RBAC, network policies, admission controls (Gatekeeper), and runtime threat detection.
Added 3 mins ago
Sr. Software Engineer
Exact Sciences Corp
United States
…providing earlier, smarter answers. Through advances in cancer detection and treatment guidance, we will help eradicate the disease and the suffering it…
Added 7 mins ago
BC
Sales Engineer
Blackpoint Cyber
Remote, United States
- $131,000 to $163,000 USD / year
Blackpoint Cyber is the leading provider of world-class cybersecurity threat hunting, detection and remediation technology. Founded by former National Security Agency (NSA) cyber operations…
Added 10 mins ago
Scientist, Integration and Test Engineering *Sign on bonuses starting at $15K*
L3Harris Technologies
Rochester, NY
This position serves as a Scientist, Integration and Test Engineer responsible for leading, planning, and executing test operations across a portfolio of Airborne Imaging EO/IR programs.…
Added 12 mins ago
SRE Security Engineer
OPEN OPENLANE US Inc
Remote, United States
An SRE Security Engineer who takes ownership of security findings from detection through resolution - remediating misconfigurations, vulnerabilities, and access issues across AWS, Azure,…
Added 13 mins ago
Software Engineer II, Attack Detection
Abnormal
Remote, United States
As a Software Engineer II, you will build customer-facing security features and the software that supports them. Projects may include detection services or AI agents that use models and…
Added 17 mins ago
IR Plume Mod/Sim Systems Engineer - Level 2 (AHT)
Northrop Grumman
Colorado Springs, CO · Colorado Springs
…exciting career opportunity for a Modeling & Simulation Systems Engineer – Level 2 (IR Plume Mod/Sim Systems Engineer) to join our team of qualified, diverse individuals. This position will…
Added 17 mins ago
Engineer, Infrastructure Security
Aaru
New York, NY
As an infrastructure security engineer, you will own security across the company and build the systems and practices that let us scale safely. You will set priorities and implement…
Added 18 mins ago
Lead Data Engineer
Docusign
San Francisco, CA · Seattle, WA
As the Lead Assignment Engine Data Engineer, you will lead the data engineering design for an explainable, configurable engine that converts normalized cloud and operational data into…
Added 25 mins ago
Senior AI Data Engineer - GPSC Insights Engineering
General Motors LLC
Austin, TX
As a Senior AI Data Engineer, you will design, build, and optimize industrialized data assets, AI data products, and data platforms that support Business Intelligence, Advanced Analytics,…
Added 25 mins ago
Senior Data Engineer
General Motors LLC
Austin, TX
We are looking for a hands-on Machine Learning Engineer with at least seven years of experience to productionize machine learning for manufacturing and to build the data engineering that…
Added 25 mins ago
Senior Feature Engineer
General Motors LLC
Warren, MI · Seattle, WA · Austin, TX · Mountain View, CA
General Motors is seeking a highly motivated and qualified candidate for the position of Senior Feature Engineer on our Data & Feature Engineering team. This team builds the shared feature…
Added 27 mins ago
TT
Senior Software Engineer, Cloud Applications
Temporal Technologies
Remote, United States
- $176,000 to $231,000 USD / year
- Drive Data Quality as a First-Class Concern: Establish schema contracts, pipeline-level anomaly detection, and alerting for silent failures - holding the line on data correctness before…
Added 28 mins ago
Staff Security Engineer
Root Insurance
Remote, United States
…equitable system from the ground up. As the Staff Security Engineer, you will be the technical visionary driving security strategy across our entire enterprise. You will act as a force…
Added 29 mins ago
A
Systems Engineer
Actalent
Chantilly, VA
- $115,000 to $190,000 USD / year
Job Title: Systems Engineer Advanced Radar and Mission SystemsJob DescriptionThis Systems Engineer role focuses on developing advanced radar and mission systems for Navy applications,…
Added 29 mins ago
A
Senior DSP Engineer
Actalent
Warrenton, VA
- $85 to $105 USD / hour
Job Title: DSP EngineerJob DescriptionThe Digital Signal Processing (DSP) Engineer will support the development of advanced wireless communications systems, custom waveforms, and…
Added 34 mins ago
R
Principal Solutions Experience Engineer - Platform Delivery
Rapid7
Remote, United States
- $164,600 to $222,600 USD / year
Build automated, real-world security scenarios within lab infrastructure, including simulating active malware attacks, exposure exploit paths, and detection workflows.
Added 34 mins ago
Sr. Software Engineer
Exact Sciences Corp
United States
…providing earlier, smarter answers. Through advances in cancer detection and treatment guidance, we will help eradicate the disease and the suffering it…
Added 39 mins ago
Lead, Radar Simulation & Algorithms Engineer
L3Harris Technologies
Richardson, TX · Plano, TX
Job Title: Lead, Radar Simulation and Algorithms Engineer
Added 40 mins ago
AEMS-2026-52 Environmental Specialist 2 (Internal Posting)
NJ Department of Environmental Protection
United States
…impact Human Health. The ES2 will also operate Biological Agent detection equipment as part of the Biowatch Program. The ES2 will be assigned monitoring stations of higher complexity and be…
Added 40 mins ago
R&D Engineer Hardware 4
Broadcom Corporation
United States
Job Title: Principal Machine Learning & Silicon Yield Engineer
Added 40 mins ago
EG
Staff AI & Data Engineer – Databricks
Eliassen Group
Frankfort, KY
- $80 to $90 USD / hour
Our client is seeking a highly experienced Staff AI & Data Engineer to design and build enterprise-grade data and AI solutions on Databricks. This hands-on role focuses on strengthening the…
Added 41 mins ago
RE
Staff Defect Metrology AI/ML Engineer
Renesas Electronics
Goleta, CA
- $120,000 to $160,000 USD / year
We are seeking a highly motivated Staff Engineer, Defect Metrology to join our MOCVD team. This role will provide technical leadership in semiconductor defect inspection, data analytics,…
Added 47 mins ago
Senior Red Team AI Security Engineer
Beth Israel Lahey Health, Inc.
United States
…team methodologies for enhanced threat simulation and anomaly…

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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