Senior Technologist II – System Engineer

Senior Technologist II – System Engineer
Location: Houston, TX (Hybrid)
Duration: 6 months
Rate: $60-$70 per hour

Position Overview
We are seeking an highly experienced Senior Technologist II – System Engineer to support and advance our global infrastructure operations. This is a senior-level, hands-on technical role requiring deep expertise in Microsoft enterprise technologies, identity management, automation, and large-scale systems engineering.
The ideal candidate is a technical leader who can work independently with minimal supervision, manage complex systems, contribute significantly to critical IT projects, and serve as a Tier 3 escalation resource. This role operates in a hybrid environment with on-site participation required for meetings and key activities.

Key Responsibilities

• Design, implement, administer, and maintain enterprise infrastructure systems supporting global operations, including Windows Server environments, Azure cloud services, Microsoft 365 platforms, and virtualization technologies such as Azure and VMware vSphere.
• Manage identity and access services across Active Directory, Entra ID (Azure AD), DNS, and DHCP, ensuring secure authentication, authorization, and system integrations.
• Administer Microsoft 365 services including Exchange Online, Intune, and OneDrive, supporting messaging, collaboration, and endpoint management in alignment with security and governance best practices.
• Develop, maintain, and optimize automation solutions using PowerShell and tools such as Ansible or Orchestrator to enhance operational efficiency, reliability, and consistency.
• Analyze system events, logs, monitoring data, and performance metrics to diagnose complex issues, identify trends, and implement preventative solutions.
• Act as a Tier 3 escalation resource for critical infrastructure issues, participating in on‑call rotations and providing after‑hours support as required.
• Lead or contribute significantly to enterprise IT initiatives, independently managing assigned projects while working closely with infrastructure, communications, business systems, and desktop support teams.
• Create and maintain technical documentation, operational procedures, and knowledge base materials to support ongoing operations and continuous improvement.
• Provide technical guidance, knowledge transfer, and training to team members, and communicate complex technical concepts effectively to both technical and non‑technical stakeholders.

Required Qualifications

• Bachelor’s degree in computer science or equivalent combination of education and experience.
• Minimum 15 years of total IT experience (required).
• 10+ years of experience administering Windows Active Directory environments.
• 10+ years of experience with scripting and automation (PowerShell required; Ansible/Orchestrator preferred).
• 7+ years of experience analyzing system logs, events, and metrics for troubleshooting and reporting.
• 7+ years of experience supporting Azure or vSphere hypervisors in large, distributed environments.
• 5+ years of experience working with structured data formats such as XML, JSON, YAML, or WQL.
• Ability to work independently with minimal supervision in a dynamic environment.

Preferred Qualifications

• Experience with messaging and email systems (Exchange Online, on‑prem SMTP, Mimecast).
• Patch management and monitoring tools experience (SCCM, Ivanti, SolarWinds, SCOM, Azure Arc).
• Exposure to merger and acquisition (M&A) integration activities.
• Relevant technical certifications.
• Willingness to travel occasionally (rare).

Key Competencies

• Exceptional analytical and problem‑solving skills.
• Strong written and verbal communication abilities.
• Proven ability to document technical processes and present solutions to leadership.
• Ability to prioritize and manage multiple initiatives in a changing environment.
• Knowledge of IT security, data privacy practices, and applicable regulations.
• Collaborative mindset with the ability to build strong cross‑functional relationships.

With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.