Operational Delivery Engineer - Simulators (ATCE 4)

NATS is the UK’s leading air navigation service provider, handling over 2.4 million flights each year. We provide air traffic control services from two control centres and at airports around the UK. We also provide a wide range of commercial products and solutions internationally. Our people are at the heart of our purpose to advance aviation and keep the skies safe.

Salary: £62,278.99 - £83,038.65

Closing Date: 7th May 2026

Purpose Of Job: The Operational Delivery Engineer provides specialist expertise in systems and applications supporting Air Traffic Management systems/applications. The role ensures service resilience across the operations lifecycle, drives continual improvement, and performs the administration, maintenance, and project support of assigned systems. In this role, you’ll play a crucial part in maintaining service resilience across the entire lifecycle while driving continuous improvement. Your work will focus on our safety-critical Simulator infrastructure, which underpins the controller-facing systems/applications responsible for the safe movement of over 7,000 aircraft every day. You’ll help deliver, operate, and improve our simulator environment across Windows and Linux platforms. You’ll be part of the Simulator Support Group, responsible for the build, configuration, management, and support of simulator infrastructure— from hardware to OS-level services and simulator processes.

Principal Accountabilities:

• Maintenance: Responsible for planning and executing the administration, maintenance, and service support of designated systems/applications.
• Incident Management: Apply expert domain knowledge to assigned/escalated Incidents, prioritising, diagnosing, resolving and recording them using agreed procedures to restore service resilience.
• Problem Management: Support the analysis of service events and Incidents and undertake Problem Management activities to continuously improve service provision.
• Competency Management: Gain, hold, and maintain the competencies necessary to control and configure systems/applications, enabling the restoration of technical services, deploy planned changes and carry out planned maintenance.
• Prioritisation and Deconfliction: Responsible for prioritising and deconflicting planned work to ensure a safe delivery of the service.
• Service Configuration: Ensure relevant processes and tools are utilised to deploy service configuration changes, records remain accurate, complete, and current.
• Document Management: Produce, review, and amend engineering and training instructions.
• Service Asset Management: Manage service assets to ensure they are in a known state and in the correct location for use.
• Safety Culture: Be an advocate for Safety Culture, promoting and advancing best practice, challenging poor behaviours, and ensuring personal health & safety (H&S) by adhering to H&S procedures.
• Training: These roles may be expected to deliver on‑job‑training and technical skills assessment of colleagues.
• Duty Engineer Role: Responsibilities include being the first point of contact for service resolution, initiating and progressing actions to rectify issues relating to service availability and business continuity.
• Continual Service Improvement: Responsible for the identification, coordination and implementation of assigned continual service improvement requests, and for assessment and implementation of assigned changes, to meet customer requirements and improve the service.
• Supplier Engagement: Engage with suppliers when required to resolve service Incidents and Problems.
• Stakeholder Management: Responsible for liaising and negotiating with internal and external stakeholders and managing the partnership relationship.
• Project Work: Support project requirements and activities.

Autonomy: Working in a safety‑critical environment, supported by defined processes and procedures that are trained and assessed. Liaise directly with Service Management to resolve Incidents and Problems. Expected to apply own judgement, experience and expertise to determine the appropriate course of action to resolve Incidents and Problems outside of defined process and procedures, if required. Provides technical guidance to Service Management decision making.

Scope of Job:

• On Call/Out of Hours: Posts are liable for on‑call as part of the 24‑hour support organisation. May need to provide telephone support or attend out of hours for service restoration or to deploy service changes in line with defined procedures.
• Environments: Operates across multiple NATS environments, including Production, Pre‑production, Training, Simulation, and Testing & Development environments.

Experience, Qualifications & Skills:

• Professional engineering qualification to Higher National Certificate (Level 4 or SQF Level 7) as a minimum in Electronics, Telecommunications or Computer Science or another relevant engineering discipline.
• Relevant lower‑level engineering qualifications such as an Apprenticeship coupled with demonstrable engineering experience in a relevant field (e.g., Military, Rail, other Safety‑Critical environments).
• Evidence of substantial experience gained in a relevant transferable environment (e.g., ATSEP) over a significant period.
• Experience of resolution of incidents, service restoration, incident and problem management of systems and equipment in a Safety‑Critical environment such as ANSPs, Military or Rail.
• Effective oral and written communication skills.
• Decision‑making skills: Ability to make sound decisions, negotiate and motivate, ensuring outcomes are clearly communicated.
• Problem‑solving skills: Ability to work calmly, systematically, and analytically in a safety‑related context.
• Teamwork: Ability to work in teams, take responsibility, delegate, plan, and schedule activities efficiently.
• Culture and behaviours: Demonstrates understanding of working in a Safety‑Critical environment, establishing a safe and just culture.
• Continuous improvement: Demonstrates ability to apply continuous service improvement processes.
• Safety‑Critical Services & Incident Response: Able to identify and escalate a situation and act as engineer focal point until resolution.

What We’re Looking For:

• Strong experience administering Windows and/or RedHat Linux systems.
• Good understanding of core networking concepts (TCP/UDP, DHCP, DNS).
• Familiarity with scripting tools such as PowerShell, Bash, Python, Ansible (DSC would be a bonus).
• Confident troubleshooting and root‑cause analysis skills.
• Experience with cloud platforms (e.g., Azure) or DevOps tooling is an advantage.
• Ability to contribute to the design, build, and ongoing improvement of simulator systems.

Working Pattern: This role will work a pattern required by the business to support the safe and efficient delivery of the service.

Benefits: We are proud to offer a fantastic total reward package to help you thrive both personally and professionally.

EEO Statement: We are proud to offer a fantastic total reward package to help you thrive both personally and professionally. If you share our passion to advance aviation and keep the skies safe – we would like to hear from you regardless of your age, sex, race, faith, sexual orientation, gender identity, gender expression, visible or invisible disability. Individuals that bring different perspectives, skills, life experiences and backgrounds help us be at the forefront of our industry.