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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

• 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. 

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/ Experience

• 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. 

An ExxonMobil career is one designed to last. Our commitment to you runs deep: our employees grow personally and professionally, with benefits built on our core categories of health, security, finance, and life.

We offer you: 

• Pension Plan: Enrollment is automatic and at no cost to you. The basic benefit is a monthly annuity to be paid to you in retirement for the rest of your life. 
• Savings Plan: You can contribute between 6% and 20% of your pay and are encouraged to enroll right away. If you contribute at least 6% to your savings plan, the Company will contribute a 7% match. 
• Workplace Flexibility: We have several programs such as “Flex your Day”, providing ad-hoc flexibility around when and where you work, as well as longer-term programs such as leaves of absence and part-time work.
• Comprehensive medical, dental, and vision plans. 
• Culture of Health: Programs and resources to support your wellbeing. 
• Employee Health Advisory Program: Provides confidential professional counseling for you and your family, including tools and resources promoting mental health and resiliency at no additional cost to you. 
• Disability Plan: Income replacement for when you cannot work due to illness or injury occurring on or off the job. Enrollment is automatic and at no cost to you.

More information on our Company’s benefits can be found at www.exxonmobilfamily.com. 

Please note benefits may be changed from time to time without notice, subject to applicable law.

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ExxonMobil is an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, citizenship status, protected veteran status, genetic information, or physical or mental disability.