General Dynamics

Firewall Network Engineer

General Dynamics • $90K — $120K *
Sterling Heights, MI 48310In-Person
Information Technology
8 - 10 years of experience
Today
Be an Early Applicant
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field preferred; experience can substitute for degree.
  • 10 years of experience as a network engineer in infrastructure design and operations.
  • Palo Alto or NetScaler certifications preferred.
  • Strong proficiency in managing Palo Alto Networks security appliances and enterprise security infrastructures.
  • Experience in enterprise WAF solutions, specifically Citrix NetScaler/AppFirewall.

Responsibilities

  • Design, deploy and maintain Palo Alto firewalls across various environments.
  • Implement segmentation, Zero Trust principles, and ensure least-privilege access.
  • Optimize and retire firewall rules to minimize risk and technical debt.
  • Collaborate with engineering and IT teams to secure industrial control systems.
  • Monitor firewall alerts and support SOC and incident response teams.
  • Maintain high availability and redundancy for critical networks.
  • Develop and enforce Web Application Firewall (WAF) security policies.

Benefits

  • Flexible work schedules with a 9/80 work week.
  • 401(k) with company match and bonus eligibility.
  • Tuition reimbursement for employee development.
  • Comprehensive medical, dental, and vision insurance.
  • On-site amenities to support employee well-being.
Full Job Description
Job Description

Description

The Firewall Engineer is responsible for designing, implementing and maintaining secure network boundaries that protect both corporate IT and plant floor OT systems. The role ensures high availability, strong segmentation, and compliance across multiple manufacturing and engineering sites where uptime, safety and reliability are critical.

Responsibilities

  • Design, deploy and maintain enterprise firewalls (Palo Alto) across plants data center and cloud.
  • Design and implement IT/OT/IIoT segmentation, Zero Trust principles and least-privilege access.
  • Create, review, optimize and retire firewall rules to reduce risk and technical debt.
  • Partner with controls engineers, MES/SCADA teams and Plant IT to secure PLCs, robots, sensors and industrial controls.
  • Investigate firewall related alerts, blocks, traffic and anomalies; support SOC and IR teams.
  • Maintain HA pairs, clustering, redundancy and failover for mission critical production networks.
  • Use Panorama to monitor health, performance and security posture.
  • Install, configure, and maintain Citrix Netscaler or ADC appliances and WAF components.
  • Develop and enforce WAF security policies, rulesets, and signatures to protect web applications.
  • Continuously monitor WAF logs, alerts, and system performance to detect anomalies or potential attacks.
  • Investigate and resolve WAF events, including SQL injection, cross-site scripting (XSS), and other OWASP Top 10 vulnerabilities.
  • Diagnose and resolve technical issues related to traffic routing, SSL certificates, application delivery, and integration with backend systems.
  • Execute changes following ITIL processes, maintenance windows, and plant production schedules.
  • Ensure firewall configurations meet international standards and external requirements (ISO 27001, NIST, TISAX, CMMC)
  • Work with integrators, service providers and equipment vendors during expansions and upgrades.


Position Requirements

Formal Education & Certification
  • Bachelor of Science degree in Computer Science, Management Information Systems, or related is preferred.
  • Experience will be considered in lieu of degree.
  • 10 years of experience as a network engineer delivering infrastructure design and operational excellence.
  • Certifications in Palo Alto or NetScaler networking products are preferred.


Knowledge & Experience
  • Experience managing Palo Alto Networks security appliances and enterprise network security.
  • Experience in supporting enterprise WAF solutions, preferably Citrix NetScaler/AppFirewall.
  • Experience with design, development, and deployment of enterprise wide Zero Trust strategies in alignment with organizational objectives and compliance standards (NIST SP 800-207).
  • Stronge experience with Firewalls, VPNS, NAT, routing and secure connectivity.
  • Understanding of OT protocols (Ethernet/IP, Profinet, Modbus/TCP) and plant floor networks.
  • Strong understanding of HTTP/HTTPS protocols, web application security, and OWASP Top 10 threats.
  • Experience with SSL/TLS, load balancing, and application delivery concepts.
  • Proven ability to analyze logs and troubleshoot network or WAF-related issues.
  • Ability to automate audits, configs, and reporting using Python, Ansible or vendor APIs.
  • Familiarity with cloud firewalls and hybrid connectivity.
  • Knowledge of security frameworks such as CMMC, TISAX, etc.
  • Knowledge of applicable data privacy practices, regulations and laws.


Personal Attributes
  • Strong interpersonal, written, and oral communication skills.
  • Able to conduct research into networking issues and products as required.
  • Ability to present ideas in user-friendly language.
  • Highly self-motivated and directed, with keen attention to detail.
  • Proven analytical and problem-solving abilities.
  • Able to effectively prioritize tasks in a high-pressure environment.
  • Strong customer service orientation.
  • Experience working in a team-oriented, collaborative environment.


Work Conditions

  • 9/80 work week and on-call availability
  • 5% business travel
  • Sitting for extended periods of time.
  • Dexterity of hands and fingers to operate a computer keyboard, mouse, power tools, and to handle other computer components.
  • Lifting and transporting moderately heavy objects, such as switches, routers, firewalls and UPS's.
  • Ability to obtain security clearance.


Headquartered in Reston, Virginia, General Dynamics is a global aerospace and defense company offering a broad portfolio of products and services in business aviation; ship construction and repair; land combat vehicles, weapons systems and munitions; and technology products and services. General Dynamics employs more than 100,000 people across 65 countries worldwide and in all 50 U.S. states, more information is available at www.gd.com. General Dynamics Land Systems, is a business unit of General Dynamics, and is an innovative leader of ground combat systems' equipment and software for our clients. Our performance-driven team partners with the U.S. Army, U.S. Marine Corp and other militaries across the Globe to ensure that next generation ground combat vehicles are ready to protect our fighting men and women in uniform. General Dynamics Lands Systems provides a competitive compensation package, site specific flexible work schedules, 401(k) with Company Match; Bonus Eligibility, Employee Development Opportunities, Tuition Reimbursement, On-site Amenities, and comprehensive Medical/Dental/Vision Insurance.

About General Dynamics

General Dynamics is involved in business aviation; land and expeditionary combat vehicles and systems, armaments, and munitions; shipbuilding and marine systems; and mission-critical information systems and technologies. General Dynamics has four main business segments. Aerospace designs, develops, manufacturers and services a comprehensive offering of advanced business-jet aircraft. Combat Systems specializes in producing, supporting and sustaining land and expeditionary combat systems for the U.S. military and its allies. Marine Systems designs, builds and supports submarines and a variety of surface ships for the U.S. Navy and commercial customers. The Information Systems and Technology group offers a breadth and depth of technology and service capabilities that support a wide range of government and commercial needs, including systems integration expertise; hardware and software products; and engineering, management and support services.

General Dynamics Careers

Join the dynamic team at General Dynamics, a leader in global defense, aerospace, and technology services. As a pivotal player in innovation and security, General Dynamics offers unparalleled job opportunities for professionals eager to advance their careers in a cutting-edge environment.

Work You’ll Do

At General Dynamics, we empower our employees to drive innovation and lead with integrity and excellence. With a commitment to professional growth and diversity, our team is at the forefront of developing solutions that make a difference in the world. Whether in engineering, cybersecurity, or project management, your work at General Dynamics will contribute to missions that matter.

Explore Career Paths

General Dynamics is not just a company; it's a community where you can build a career that aligns with your passion and skills. From internships to leadership positions, the breadth of opportunities supports your professional journey at every stage.

Innovate and Lead

Join a team where innovation is the status quo. At General Dynamics, you’ll work alongside industry experts to solve complex challenges with cutting-edge technology. Our leadership is committed to fostering a culture of growth and learning, where you can lead projects that explore new frontiers.

Professional Development

Invest in your future with General Dynamics’ robust professional development programs. Enhance your skills through targeted training, workshops, and seminars that propel your expertise and leadership capabilities forward.

Diversity and Inclusion

At General Dynamics, we believe diversity drives innovation. Our inclusive culture welcomes diverse perspectives and ideas, fostering an environment where all employees can thrive. Through diversity training and networking opportunities, we ensure every team member can contribute uniquely and significantly.

Benefits and Culture

Experience a culture that prioritizes the well-being and satisfaction of its employees. General Dynamics offers competitive benefits, including health care, retirement plans, and flexible working arrangements, to ensure a healthy work-life balance. Our team-oriented culture encourages collaboration and mutual respect, making General Dynamics a great place to work.

Join Our Team

Ready to advance your career at General Dynamics? Explore our current job opportunities and find a position that matches your skills and ambitions. We are continuously hiring talented individuals who are passionate about making a difference.

Prepare for Your Interview

Make a great first impression. Prepare for your interview at General Dynamics by researching our company values and recent projects. Tailor your resume to highlight relevant experience and skills that align with the job description.

Stay Connected

Keep up to date with the latest from General Dynamics: - **Career Growth Tips:** Gain insights from our professionals on advancing your career. - **Networking Events:** Connect with peers and leaders in your field through our networking events. - **Job Alerts:** Customize your job alerts to receive updates on new openings that fit your career preferences.

Explore General Dynamics Jobs

Discover the impact you can make at General Dynamics by joining our team. Search open positions, apply online, and take the first step towards a rewarding career filled with opportunities for growth and innovation.

SEARCH GENERAL DYNAMICS JOBS

Join General Dynamics today and be part of a team that values leadership, innovation, and diversity. See what exciting and rewarding opportunities await you in a career at General Dynamics.
Learn more about General Dynamics
Size
103,100 employees
Market Cap
$67.9 billion
Industry
Aerospace & Defense
Net Income
$3.1 billion
Founded
1952
5 Year Trend
+4.7%
Revenue
$37.9 billion
NASDAQ
GD
* Ladders Estimates

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