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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - **Company:** Exxon Mobil Corporation - **Location:** Spring, TX, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Amazon Web Services, User Authentication, Microsoft Azure, Cisco PIX, Cloud Computing, Cyber Security, Computer Engineering, Continuous Integration, Data Centers, Network Address Translation, DevOps, Domain Name System (DNS), Github, Internet Protocol, Intrusion Detection Systems, Virtual Private Networks (VPN), OSI Models, Jinja (Template Engine), Junos, Python (Programming Language), Network Security, Network Architecture, Networking Basics, Routing, Ansible, TCP/IP, Virtualization Technology, Software Vulnerability Management, YAML, In-Plane Switching (IPS), Firewalls (Computer Science), Juniper, Information Technology, Cybercrime, Fortinet, Restful APIs, Terraform, Cisco, Jenkins, Vulnerability Analysis - **Published:** July 7, 2026 - **Apply:** https://www.jobmonkeyjobs.com/career/27827145/Network-Security-Engineer-Texas-Spring-1192 ## About the Role * 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, * 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. ## Description 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. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [CI/CD with Github Actions](https://www.wearedevelopers.com/videos/856-ci-cd-with-github-actions) - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)