> Markdown version of [/jobs/ext/947337-active-directory-tier-0-engineer](https://www.wearedevelopers.com/jobs/ext/947337-active-directory-tier-0-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Active Directory Tier 0 Engineer - **Company:** Nastech Global, Inc. - **Location:** Spring, TX, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Active Directory, Active Directory Federation Services, Public Key Infrastructure, Windows PowerShell, Terraform - **Published:** June 18, 2026 - **Apply:** https://www.dice.com/job-detail/2a25b203-98ac-46b9-b8d9-9ab49b123d4e ## About the Role 5+ years of hands on experience Looking for candidates who can "hit the ground running" and suggest ~5 years as a practical minimum to demonstrate true proficiency in: Active Directory (enterprise scale) Active Directory Certificate Services (ADCS) Public Key Infrastructure (PKI) Active Directory Federation Services (ADFS) These technologies are described as the team's "bread and butter" and are mandatory due to Tier 0 access. Why this matters: This is not a learning role. Exxon expects deep operational judgment developed over multiple production environments. 2. PowerShell Automation & Infrastructure as Code (Terraform) 3 5+ years PowerShell | 2 3+ years Terraform PowerShell: Heavy daily usage for automation and operational efficiency Candidates should be independently building and maintaining scripts Terraform / IaC: specified 2 3 years as sufficient, provided the candidate can: Manage pipelines Deploy infrastructure via code The role is approximately 50% automation/engineering and 50% operations. Why this matters: Candidates who are "GUI-only AD admins" will not succeed. Exxon is modernizing identity through automation. 3. Tier 0 Security Experience in Large Enterprise Environments 5+ years in high security / regulated enterprise environments This role includes Tier 0 / Enterprise Administrator access Requires: Experience operating under strict security controls Comfort with audit, compliance, and privileged access models Ability to pass an enhanced background check (financial, criminal, global, dark web) Large enterprise experience is strongly preferred, especially environments at Exxon's scale. ## Related Videos - [Why segmenting your infrastructure into tiers makes your infrastructure design better](https://www.wearedevelopers.com/videos/1960-why-segmenting-your-infrastructure-into-tiers-makes-your-infrastructure-design-better) - [Infrastructure as Code: The Developer's Secret Weapon](https://www.wearedevelopers.com/videos/1221-infrastructure-as-code-the-developer-s-secret-weapon) - [MCP Mashups: How AI Agents are Reviving the Programmable Web](https://www.wearedevelopers.com/videos/1392-mcp-mashups-how-ai-agents-are-reviving-the-programmable-web) - [Implementing Feature Environments with AWS and Terraform](https://www.wearedevelopers.com/videos/531-implementing-feature-environments-with-aws-and-terraform) - [Dev & Test in the Cloud? Deploy your cloud environments with Ansible & Terraform](https://www.wearedevelopers.com/videos/1607-dev-test-in-the-cloud-deploy-your-cloud-environments-with-ansible-terraform) - [Terraform for Developers](https://www.wearedevelopers.com/videos/3-terraform-for-developers) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed)