Demo

Network Security DevOps Engineer

ExxonMobil and Careers
Spring, TX Full Time
POSTED ON 3/6/2026
AVAILABLE BEFORE 5/5/2026
12-Month Contract
On-site at Spring, TX

ExxonMobil has been a leader in the energy sector for over 140 years. As ExxonMobil adapts to meet the increasing global demand for oil, natural gas, and refined products, it is committed to playing a pivotal role in energy transition. ExxonMobil’s mission, to fuel the world safely and responsibly, has never been more important.

Together, Raise and ExxonMobil are building teams that are rising to meet the world’s growing energy needs through the ExxonMobil Contingent Community—where skilled workers and unique contract opportunities meet.

Raise is taking applications for current openings like this one while building a diverse group of talent for future openings. When you apply for this role, you’ll also be considered for upcoming positions that align with your skills and qualifications.

Note: Successful applicants will be employees of Raise Limited, working at ExxonMobil facilities with both ExxonMobil employees and other contractors.

Overview
The Network Security Authentication & Tools Engineer is responsible for managing and maintaining key security platforms, including Cisco ISE, Algosec, and firewall management systems, to ensure secure network access and policy compliance. This role involves supporting AAA services and 802.1X authentication across wired and wireless environments, collaborating with global teams, and automating processes using tools like Ansible, Python, and Terraform. The engineer monitors system health, handles incidents, manages change control, and participates in a global on-call rotation. Recommended knowledge of Fortinet and Cisco technologies, network authentication protocols, and scripting. Strong communication, troubleshooting, and teamwork.

Key Responsibilities

  • Maintain and operate firewall security management platforms including network authentication servers (Cisco ISE), firewall security policy compliance management tools (Algosec) and firewall management servers.
  • Administer and maintain global Cisco Identity Services Engine (ISE) platform, provide technical support and troubleshooting for authentication, authorization, and accounting (AAA) services, including 802.1X network access control across wired and wireless environments.
  • Supports the network privileged ID framework, which provisions controlled access to corporate network devices.
  • Collaborate with network, network security, and endpoint owner teams to ensure seamless integration and policy enforcement.
  • Identify and implement automation opportunities for laborious and/or repetitive processes with modern programming techniques like Ansible/Python/Terraform/REST API.
  • Managing Ansible playbooks for automation deployment,
  • Monitor system health, performance, and logs; respond to alerts and incidents.
  • Provides change management for the supported platforms.
  • Participate in on-call rotation and provide escalation support for critical issues.
  • Timely assess security advisories and software vulnerabilities and provide necessary remediation for the supported platforms.
  • On call support:
  • Follow-the-sun on-call rotation (AP/NA region weekday & weekend on call)
  • Each team member is on call for one week per rotation
Required Skillsets:
  • Experience in Fortinet and Cisco Network Security technology domain such as Cisco Identity Services Engine, Policy Management tools Algosec , Cisco Security Manager, Cisco Firepower Management Center, FortiManager, FortiAnalyzer.
  • Experience in Network Authentication technology such as 802.1x, TACACS/RADIUS.
  • Proficiency in troubleshooting network access issues across various platforms.
  • Knowledge of network endpoint profiling.
  • Basic experience in AWS cloud computing technology (EC2, VPC)
  • Familiarity with CI/CD pipelines and infrastructure as code (IaC)
  • Hands-on experience in scripting or automation (Python, Ansible, Terraform, GitHub)
Soft Skills

  • Fluent English communication skills, both verbal and written
  • Strong analytical and troubleshooting abilities
  • Team-oriented mindset with a proactive attitude to work in a global virtual team environment
  • Able to work independently with minimal supervision
  • Presentation and interpersonal skills
Top 3 skills

  • Cisco Identity Services Engine (ISE) – Network Authentication technology such as 802.1x, TACACS/RADIUS
  • Firewall Policy Management Tools (Algosec)
  • Experience in scripting or automation (Python, Ansible, Terraform, GitHub)
Looking for meaningful work? We can help
Raise is an established hiring firm with over 65 years of experience. We believe strongly in making the world a better place through work, which is why we’re a certified B Corporation and donate 10% of our profits to charity.

We strive to build teams that reflect the diversity of the communities we work in. We encourage all qualified applicants to apply, including people from traditionally underrepresented groups such as women, visible minorities, Indigenous peoples, people identifying as LGBTQ2SI, veterans, and people with visible/nonvisible disabilities.

We have a dedicated webpage for accommodations where you can learn more about what we offer, and request accommodation: https://raise.jobs/accommodations/

In order to submit candidates for roles, our clients will sometimes require personal information to confirm the identity of applicants and their legal status to work. Raise will never ask you for personal or banking information unless you have been selected for a job. If you are ever unsure about the legitimacy of this or another job posting by Raise (or have any other questions), please contact us at 1 800-567-9675 or exxonmobil@raiserecruiting.com

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