IT Support Engineer

IT Support Engineer

Role:
Highly skilled IT Support Engineer to manage complex technical escalations, maintain critical infrastructure, and mentor junior staff. You should be proficient across the stack – from end‑user support to server maintenance.

Position is on‑site, full‑time in the UK. Candidates must be UK nationals or able to obtain UK national security vetting and clearance. Plexus is a Disability Confident committed employer and recruits purely on the basis of skills and experience.

We help customers deliver products that profoundly impact people’s lives, from ultrasound units and 3D printing to network security applications and in‑flight Wi‑Fi. Our global team of experts partners with customers to bring their products to life through inspired innovation and world‑class customer service. Diversity and inclusion are core to our culture; we celebrate under‑represented groups and welcome all candidates.

• Focus on advanced problem resolution and infrastructure stability.
• Serve as the escalation point for all complex hardware, software, and network incidents, driving issues to complete resolution.
• Manage and maintain core server infrastructure (physical and virtualized environments, e.g., VMware), including patching, monitoring, and troubleshooting performance bottlenecks.
• Oversee and optimize Active Directory, Group Policy Objects, DNS, and DHCP services.
• Develop, implement, and maintain IT operational documentation and disaster recovery procedures for critical systems.
• Lead small to medium‑scale IT projects, such as system upgrades, migrations, or new infrastructure rollouts.
• Support global projects to ensure smooth transitions.
• Provide advanced troubleshooting and support for sophisticated network components (e.g., firewalls, managed switches, Wi‑Fi configurations).

• 2+ years of advanced IT support, Systems Administration, or Infrastructure Engineering experience.
• Deep proficiency with Windows Server operating systems (2016/2019/2022) and virtualization technologies.
• Scripting proficiency using Power Shell for routine tasks and automation is highly desirable.
• Solid understanding of Layer 2/Layer 3 networking, VLAN configuration, and VPN technologies.
• Exceptional diagnostic, analytical, and mentoring abilities.
• UK security clearance will be required for this role.

• Collaborative workplace centered on integrity.
• Supportive leadership that values work‑life balance and offers a flexible environment.
• Inclusive culture that appreciates diverse backgrounds and experiences.
• Flexible career paths across a variety of disciplines.
• Innovative design solutions and state‑of‑the‑art technology that improve lives.
• Commitment to local community involvement; opportunities to mentor and promote STEM education.

• Bespoke development plan.
• Online learning and formal development programs.
• Full‑time, permanent employment contract.
• Enhanced pension contributions.
• 33 days of annual leave (inclusive of public holidays).
• Paid family leave.
• Private medical insurance.
• Group income protection insurance.
• Employee Assistance Program (EAP).
• Electric Vehicle Salary Sacrifice Scheme.
• Cycle‑to‑work scheme.
• Volunteer time off.
• Flexible hybrid working (role‑dependent).
• Life assurance.
• Occupational health.
• Vision care discounts.
• Discount schemes.
• Company sick pay scheme.
• On‑site gym or discounted gym membership.

We encourage candidates from all backgrounds to apply. We evaluate applicants holistically, focusing on culture add rather than fit, and assess work experience, education, and additional contributions.