Job Description

About us

At ExxonMobil, our vision is to lead in energy innovations that advance modern living and a net-zero future. 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

ExxonMobil in Malaysia

In Malaysia, we host a global business and technology center in Kuala Lumpur that provides high-level information technology and engineering expertise to ExxonMobil’s Upstream, Product Solutions and Low Carbon Solutions businesses worldwide. In the upstream, we have interests in two Production Sharing Contracts with PETRONAS, while in the Product Solutions business, we supply a portfolio of specialty chemical products to the marketplace.

What role you will play in the 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.
• Participate in ad-hoc vulnerability assessments and incident response.
• Coordinate with stakeholders across Cybersecurity, Projects, and internal customers.
• Develop and maintain operational processes and documentation for ongoing support.

About you

Skills and Qualifications

• Minimum 3 years of hands-on experience in network security.
• Experience with network security platforms: Cisco ASA (CSM), FTD (FMC), FortiGate (FortiManager), Juniper SRX (Junos Space).
• Strong understanding of networking fundamentals: TCP/IP, OSI model, routing/switching, ACLs.
• Familiarity with security technologies: firewalls, VPNs, IDS/IPS, encryption, authentication, vulnerability management, and incident response.
• Bachelor’s degree or higher in Computer Science, Computer Engineering, or IT-related fields

Technical Skills

• Deep knowledge of TCP/IP, Internet technologies, IPS/IDS, firewall virtualization, VPNs, NAT, DNS, etc.
• Relevant certifications (preferred but not required): Cisco (CCNA/CCNP Security), Fortinet (FCA/FCSS/NSE), CISSP, GIAC.

Automation & DevOps

• Strong advantage: experience with GitHub, Terraform, Ansible, Python, REST API, Jenkins, Jinja2, YAML.
• Familiarity with CI/CD concepts and tools is a plus.

Cloud

• Experience with AWS and Azure network security services.

Preferred Qualifications

• Excellent verbal and written communication in English.
• Mindset to grow and learn.
• Self-motivated, proactive, and able to work independently in a global virtual team.
• Strong multitasking and prioritization abilities.
• Analytical mindset and a collaborative team player.

Your Benefits

We are committed to providing benefits that are competitive and support the needs of our employees.

Application Process

Please be informed that only shortlisted candidates will be notified, and you can find out more about our hiring process here

For more information about business solicitation and recruiting scams, please click here

We thank you for your interest in ExxonMobil.

Stay connected with us
Follow us on LinkedIn or subscribe to our channel at YouTube

Equal Opportunity Employer
ExxonMobil is an Equal Opportunity Employer. All qualified applicants will be duly considered for employment.

Voted Top 5 Graduates’ Choice of Employers in Malaysia for Oil and Gas category

What role you will play in the team

ExxonMobil is a place where we believe people should think independently, take initiative, grow to their full potential, and help shape the future of energy. With a long history of industry leadership and cutting-edge innovation, we are committed to addressing the dual challenge facing society today: meeting the world’s growing demand for energy while reducing environmental impacts, including the risk of climate change.

IT Network Engineer - Advanced works independently within well-defined operational frameworks to deliver agile, reliable, and secure network services across both business and industrial environments. This role involves coding, automating, and testing network and system processes, while actively contributing to workflow design, capacity management, and service quality improvements

What you will do

If successful, your key deliverables include:

• Support end-to-end networking solutions to support global deployment of Network services including WAN, MAN, Edge, Site, and not limited to currently supported Upstream & Midstream site’s industrial system networks
• Work with (design, install and support) networking technologies within industrial control system environments
• Works technical activities as an individual contributor designing networking systems / solutions
• Works as a technical resource on project implementation and oversee delivery of network technologies
• Leverages technical knowledge to develop designs and solutions that meet clients’ needs
• Provides expertise across technical areas while maintaining proficiency in key technical skills
• Interfaces with customers and other senior technical professionals in the organization
• Participates in project design development, documentation, change planning and change execution
• Provides expertise for critical production problem resolution and respond to client problems and networking alarms with monitoring systems
• Assesses impact of significant changes to systems and supporting components
• Site visit maybe required for new site rollout, while others are upon request; i.e. expansion/upgrade of existing infrastructure including end-of-life refresh, network hardening, support ICSR v4 implementation or troubleshoot issues with vendors and onsite engineers.

About you

Skills and Qualifications

• A bachelor's degree in Computer Science / Computer Networking System
• Strong network knowledge preferably in Cisco; Juniper & Emerson would be also be considered
• EM ICSR / Process Control knowledge will be an added advantage
• Very strong understanding of current networking technologies, platforms and configuration for router / switch / wireless devices
• Demonstrated expertise in global network design and network technology
• Willing to work on rotation off-hours due to project implementation schedules and support global on-call rotations
• Excellent interpersonal and communication skills, both written and verbal with internal teams and business clients and shows customer-first attitude / ability to work in inter-departmental team environment

Your benefits

We are committed to providing benefits that are competitive and support the needs of our employees.

Application Process

Please be informed that only shortlisted candidates will be notified, and you can find out more about our hiring process here

For more information about business solicitation and recruiting scams, please click here

We thank you for your interest in ExxonMobil.

Stay connected with us
Follow us on LinkedIn or subscribe to our channel at YouTube

Equal Opportunity Employer
ExxonMobil is an Equal Opportunity Employer. All qualified applicants will be duly considered for employment.

Voted Top 5 Graduates’ Choice of Employers in Malaysia for Oil and Gas category

Nothing herein is intended to override the corporate separateness of local entities. Working relationships discussed herein do not necessarily represent a reporting connection, but may reflect a functional guidance, stewardship, or service relationship.

Exxon Mobil Corporation has numerous affiliates, many with names that include ExxonMobil, Exxon, Esso and Mobil. For convenience and simplicity, those terms and terms like corporation, company, our, we and its are sometimes used as abbreviated references to specific affiliates or affiliate groups. Abbreviated references describing global or regional operational organizations and global or regional business lines are also sometimes used for convenience and simplicity. Similarly, ExxonMobil has business relationships with thousands of customers, suppliers, governments, and others. For convenience and simplicity, words like venture, joint venture, partnership, co-venturer, and partner are used to indicate business relationships involving common activities and interests, and those words may not indicate precise legal relationships.