ADPKI West Engineer

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 .

About Houston

ExxonMobil's state-of-the-art campus north of Houston serves as home to its Upstream, Product Solutions and Low Carbon Solutions businesses and their associated service groups. The facility opened in 2014 and accommodates more than 10,000 employees and visitors.

By bringing many global functional groups together, the campus provides employees with the tools and capabilities needed today, and in the future, to achieve business objectives and accelerate the discovery of new resources, technologies and products. It was designed to foster improved collaboration, creativity and innovation and enhance the company’s ability to attract, develop and retain the top talent in the industry.

The campus is located in Spring, Texas, on 385 wooded acres immediately to the west of Interstate Highway 45 (I-45), at the intersection of I-45 and the Hardy Toll Road, approximately 25 miles from the cultural vibrancy of downtown Houston.

The campus was constructed to the highest standards of energy efficiency and environmental stewardship. Its design incorporates extensive research into best practices in building and workplace design through extensive benchmarking of the world’s top academic, research, and corporate facilities.

Learn more about what we do in Houston here .

What role you will play in our team

Provide operational support to the Active Directory / PKI Certificate services across ExxonMobil domains. Build, deploy, maintain, troublehsoot AD services and related infrastructure.

This position is Houston based.

What you will do

• Administer and maintain Active Directory (AD), including domain controllers, replication, and security hardening.
• Manage Active Directory Certificate Services (ADCS) and Public Key Infrastructure (PKI).
• Support Active Directory Federation Services (ADFS) and integration with identity providers.
• Implement and maintain Azure Information Protection (AIP) for data security.
• Utilize Quest tools (Change Auditor, RMAD, GPOAdmin) for auditing, recovery, and policy management.
• Configure and manage Hardware Security Modules (HSM) for cryptographic operations.
• Deploy and manage infrastructure in AWS using Terraform for automation and Infrastructure-as-Code.
• Ensure secure authentication using Kerberos, including SPNs and Keytabs.
• Design and enforce Group Policies for security and compliance.
• Develop automation scripts using PowerShell for operational efficiency.
• Collaborate with security teams to ensure compliance with organizational standards.
• Provide on-call support for critical identity and security services as part of a rotation schedule.
• As a member of an agile team, participate in Agile ceremonies and collaborate with application developers, business customers, project managers, and other infrastructure teams.

About you

Skills & Qualifications

• Minimum Bachelor's degree in technology-related field or equivalent professional work experience

• Strong experience with Active Directory, AD Certificate Services, and AD Federation Services.

• Proficiency in Kerberos authentication, SPNs, and Keytab management.

• Hands-on experience with Group Policy Objects (GPO) and policy troubleshooting.

• Knowledge of HSM configuration and cryptographic key management.

• Strong understanding of enterprise security principles and best practices.

  Preferred Qualifications/ Experience

• Advanced PowerShell scripting for automation and reporting.
• Familiarity with Azure Information Protection (AIP) and identity security.
• Experience with Quest tools: Change Auditor, RMAD, GPOAdmin.
• Cloud experience with AWS and Infrastructure-as-Code using Terraform.
• Excellent problem-solving and analytical skills.
• Strong communication and documentation abilities.
• Ability to work independently and in a team environment.

Your benefits

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

Please note benefits may be changed from time to time without notice,

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EEO statement

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.

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.

Job ID: 83341