Global Senior, IT Systems Administrator

Chromalloy is a global engineering & solutions company. We are a leading provider of aftermarket parts, repairs, and solutions that safely & reliably extend the life of aircraft engines and gas turbines. We develop, manufacture and repair critical turbine components for a range of engine platforms. Our solutions support the engines running the aerospace, energy and defense industries around the world.

Chromalloy employees are proud, passionate problem-solvers who strive to live our values every day. A career with Chromalloy is an opportunity to learn from top industry experts, work with important technologies, and unlock a passion for innovation. Join our team of experts, innovators and problem-solvers delivering world-class solutions for our customers. Be part of something bigger with Chromalloy.

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What We Do

Support our Scotland manufacturing site and Chromalloy's global infrastructure team. You'll combine hands-on on-site support with Tier III engineering and security-focused improvement of our Tiger proprietary system.

Working pattern:
Hybrid (1-2 days on-site, 3-4 remote), aligned to GMT/BST

Location:

Glasgow, Scotland facility (TSL) Reporting line:
Regional EU/UK IT Manager

We're looking for a Global Senior IT Systems Administrator to support our TSL manufacturing facility in Scotland and the wider Chromalloy global infrastructure team. This hybrid role (1-2 days on-site, 3-4 remote) blends hands-on site support with Tier III engineering and security-focused improvement of our Tiger proprietary system.

• Be the on-site Tier III escalation point for TSL Scotland, supporting infrastructure, networking and end-user computing.
• Provision, image, troubleshoot and refresh desktops/laptops.
• Maintain and troubleshoot site networking and connectivity (switching, Wi-Fi, cabling and corporate links).
• Support on-site servers/storage including patching, monitoring and performance optimisation.
• Partner with site leadership to prioritise incidents/requests and deliver small projects.
• Maintain IT asset security and compliance, including physical security and access controls.
• Support meeting room/AV and collaboration tools.
• Provide Tier III support to the global infrastructure team and administer core platforms (Windows Server, AD/Entra , VMware, Azure/AWS and enterprise networking).
• Resolve complex issues across sites; contribute to security monitoring, backup-DR/business continuity, and migrations/upgrades.
• Lead end-to-end vulnerability remediation for the Tiger proprietary system: plan and prioritise with the Tiger SME/IT Security, apply patches/hardening, document architecture/dependencies, and report progress and risk reduction.

• 5-7+ years' experience in enterprise IT infrastructure/systems administration and/or network engineering.
• Strong Tier III troubleshooting skills across servers, identity, networking and endpoints.
• Hands-on experience with several of:
  Windows Server, Active Directory/Entra , VMware, Azure/AWS, and enterprise networking (e.g., Cisco/Palo Alto or equivalent).
• Proven vulnerability remediation and security hardening (patching, configuration, CVE prioritisation, change control).
• Working knowledge of cybersecurity frameworks (NIST 800-171, CMMC) and operating in controlled environments.
• Clear communicator who's comfortable collaborating across time zones and documenting work.
• Able to work independently, manage priorities and keep stakeholders updated.
• Able to work hybrid, with 1-2 days per week on-site at TSL Scotland.
• Eligible for security vetting appropriate to a defence contracting environment.

• Certifications (e.g., Microsoft, CCNA/CCNP, Security+/CySA+ or similar).
• Security tooling experience (e.g., Crowd Strike, Rapid7, SailPoint or equivalent).
• Regulated environment experience (e.g., ITAR/EAR) and its impact on IT systems/data handling.
• Aerospace, defence or manufacturing IT background.
• Exposure to OT/IT convergence or proprietary industrial/engineering systems.
• Scripting/automation (e.g., Power Shell) and a continuous improvement mindset.
• ITIL Foundation (or practical ITSM/change management experience).

Hybrid: 1-2 days per week on-site at TSL Scotland; the remainder remote. Some work in industrial/production areas (PPE provided as required). Occasional travel to other Chromalloy sites for projects, training or collaboration. Hours aligned to GMT/BST, with occasional out-of-hours support for critical incidents or planned maintenance. Participation in…