Network Security Engineer
Posted 6 Jul 2026
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 3+ yrs
- Management level
- Individual contributor
No salary listed for this role.
No unique specialisation
CertificationsCISSP, GIAC, CCNP Security, CCNA Security, Fortinet NSE
Field of studyComputer Engineering, Computer Science, Information Technology (or related)
Study levelBachelor's
About us
At ExxonMobil, our vision is to lead in energy innovations that advance modern living while reducing emissions. As one of the world’s largest publicly traded energy and chemical companies, we are powered by a unique and diverse workforce fueled by the pride in what we do and what we stand for.
The success of our Upstream, Product Solutions and Low Carbon Solutions businesses is the result of the talent, curiosity and drive of our people. They bring solutions every day to optimize our strategy in energy, chemicals, lubricants and lower-emissions technologies.
We invite you to bring your ideas to ExxonMobil to help create sustainable solutions that improve quality of life and meet society’s evolving needs. Learn more about our What and our Why and how we can work together.
What role you will play in our team
As a Network Security Engineer, you will play a critical role in designing, engineering, and managing the enterprise network security posture. You will ensure that the network infrastructure aligns with corporate security policies and standards, protecting against evolving cyber threats. This role involves operating and maintaining key security technologies—such as firewalls, IDS/IPS, and other advanced controls—while applying DevOps principles to drive automation, scalability, and resilience. You will collaborate closely with network, infrastructure, application, and cybersecurity teams to support and enhance ExxonMobil’s global IT services
What you will do
- Design, implement, and manage network security technologies and services across regions and different infrastructure environments (data centers, offices, edge).
- Research and recommend industry best practices and emerging technologies in network security.
- Operate and maintain network security appliances (Fortinet, Cisco, Juniper), including upgrades and patching.
- Build and manage network security infrastructure using DevOps practices and automation tools. Contribute to the Zero-Ops infrastructure management vision by developing solutions that reduce manual intervention and improve operational efficiency.
- Support security operations: monitoring, analysis, incident response, and vulnerability management.
- Evaluate security advisories and vulnerabilities, providing timely recommendations and mitigations.