Assistant IT Project Manager (Sizewell C)

The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs

Assistant IT Project Manager
Sizewell C

Contract Type: Permanent - Office-based with hybrid flexibility (typically 3 days p/w in the office)
Working Pattern: Full time
Location: London/ Ipswich/ Suffolk
Salary: Circa £35,000 - £45,000 depending on experience
Bonus: 5% annual incentive
Pension: Up to 7.5% employee contribution / 15% employer contribution
Holiday: 28 days plus bank holidays
Benefits: Flexible benefits

Closing Date: Wednesday 4th November 2026

Impact

As Assistant Project Manager you will be responsible for supporting the delivery of new business capabilities across Sizewell C (SZC) Nuclear New Builds by collaborating with the Project Manager and IT Programme Manager. They will contribute to Information Systems (IS) Projects and drive activities working according to baselined time, cost, and quality expectations.

As Assistant Project Manager you'll be expected to work pragmatically to make risk-based assessment on when to adhere completely to standards, procedures, and delivery methods and when to proposed controlled deviations to maximise the chance of a successful outcome for SZC. You will be expected to share your assessment with the Project Manager and escalate any emerging risks.

The successful candidate will engage actively with SZC Internal Departments to ensure compliance and understanding of business need and requirements.

The boundaries of the role are typically defined by the SZC Digital & IT’s governance structure including policies and procedures related to data management, technology procurement, and project management. The Assistant Project Manager must operate within these boundaries to ensure that their function aligns with regulatory requirements and industry standards.

Principal Accountabilities

Contribute to the definition, planning, execution, and lead documentation of IS projects to baselined time, cost and quality expectations, according to agreed delivery methods and standards.
Develop the Project Initiation Document for Sponsor sign off that ensures effective estimation of cost, timescales, and resource requirements, including a detailed Quality Plan to create a ‘contract’ of expectations with the Project Sponsor.
Collaborate with delivery Partners to ensure that they submit robust and realistic detailed project plans to the Project Manager and support the review to enable critical path analysis, ensuring action is taken where these deviate from agreed tolerances, that resources are assigned to tasks for an optimum project delivery model, and that dependencies on other projects or external milestones are actively managed.
Support with the assurance and oversight of the effective management for project workstreams to agreed quality criteria throughout the project lifecycle including detailed design, build, test, technical cutover, training, communications, business readiness, deployment, post go-live support and project closure.
Support the management of project progress, scope, budget, risks, issues, resources, dependencies, stakeholders, vendors, and requirements throughout the project lifecycle, escalating to the Project Manager or Project Sponsor, as appropriate.
Support with the assurance of delivery Partners complying with agreed standards, procedures and delivery methods and ensuring commitments are identified, agreed, and delivered without impacting the project quality criteria.
Support with the assurance of the provision of accurate and timely reporting to the Project Board, PMO and SZC senior management as required.
Support with the assurance of the development and execution of a stakeholder engagement plan to manage relationships, ensuring buy-in, timely involvement and commitment of key stakeholders.
Interface with other members of the Portfolio delivery team to continuously identify and share the use of best practice.

Dimensions

The Assistant Project Manager reports into the Project Manager. They will work on multiple IS projects / programmes of any duration, complexity, criticality, and size (a typical project will fall between £50k and £15m and up to multiple years in duration).

Knowledge, Skills, Qualifications & Experience

Prepare and deliver workshops with groups of stakeholders, to convey information, facilitate discussion, elicit information, and reach consensus.
Knowledge of conducting assurance reviews for stage containment.
Collaborate with and indirectly influence third parties to perform to required standards and expectations.
Scope clear project outcomes where objectives are not clearly defined or understood by stakeholders.
Adapt and show resilience to constantly changing requirements in a time driven environment.
Identify and raise projects, proposing mitigation actions.
Actively drive collaboration forward across a programme of work with multiple delivery partners.
Understanding of Project Delivery Governance & Assurance
Excellent team player.

Qualifications & Experience

Understanding of programme and project management basics and methodologies, e.g., Prince2, Managing Successful Programmes (MSP) or equivalent.

Desirable

Experience of delivering IS projects within regulated industry.
Full project lifecycle experience
Prior experience working in Nuclear, asset intensive and/or Safety Critical industries.
Good technical IT knowledge.

Why Join Us

A major infrastructure project with national impact 
Hybrid working with flexibility built in 
Competitive salary, bonus and benefits 
Clear progression and development opportunities 
Supportive, collaborative team environment  

For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.

The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs

Assistant IT Project Manager
Sizewell C

Contract Type: Permanent - Office-based with hybrid flexibility (typically 3 days p/w in the office)
Working Pattern: Full time
Location: London/ Ipswich/ Suffolk
Salary: Circa £35,000 - £45,000 depending on experience
Bonus: 5% annual incentive
Pension: Up to 7.5% employee contribution / 15% employer contribution
Holiday: 28 days plus bank holidays
Benefits: Flexible benefits

Closing Date: Wednesday 4th November 2026

Impact

As Assistant Project Manager you will be responsible for supporting the delivery of new business capabilities across Sizewell C (SZC) Nuclear New Builds by collaborating with the Project Manager and IT Programme Manager. They will contribute to Information Systems (IS) Projects and drive activities working according to baselined time, cost, and quality expectations.

As Assistant Project Manager you'll be expected to work pragmatically to make risk-based assessment on when to adhere completely to standards, procedures, and delivery methods and when to proposed controlled deviations to maximise the chance of a successful outcome for SZC. You will be expected to share your assessment with the Project Manager and escalate any emerging risks.

The successful candidate will engage actively with SZC Internal Departments to ensure compliance and understanding of business need and requirements.

The boundaries of the role are typically defined by the SZC Digital & IT’s governance structure including policies and procedures related to data management, technology procurement, and project management. The Assistant Project Manager must operate within these boundaries to ensure that their function aligns with regulatory requirements and industry standards.

Principal Accountabilities

Contribute to the definition, planning, execution, and lead documentation of IS projects to baselined time, cost and quality expectations, according to agreed delivery methods and standards.
Develop the Project Initiation Document for Sponsor sign off that ensures effective estimation of cost, timescales, and resource requirements, including a detailed Quality Plan to create a ‘contract’ of expectations with the Project Sponsor.
Collaborate with delivery Partners to ensure that they submit robust and realistic detailed project plans to the Project Manager and support the review to enable critical path analysis, ensuring action is taken where these deviate from agreed tolerances, that resources are assigned to tasks for an optimum project delivery model, and that dependencies on other projects or external milestones are actively managed.
Support with the assurance and oversight of the effective management for project workstreams to agreed quality criteria throughout the project lifecycle including detailed design, build, test, technical cutover, training, communications, business readiness, deployment, post go-live support and project closure.
Support the management of project progress, scope, budget, risks, issues, resources, dependencies, stakeholders, vendors, and requirements throughout the project lifecycle, escalating to the Project Manager or Project Sponsor, as appropriate.
Support with the assurance of delivery Partners complying with agreed standards, procedures and delivery methods and ensuring commitments are identified, agreed, and delivered without impacting the project quality criteria.
Support with the assurance of the provision of accurate and timely reporting to the Project Board, PMO and SZC senior management as required.
Support with the assurance of the development and execution of a stakeholder engagement plan to manage relationships, ensuring buy-in, timely involvement and commitment of key stakeholders.
Interface with other members of the Portfolio delivery team to continuously identify and share the use of best practice.

Dimensions

The Assistant Project Manager reports into the Project Manager. They will work on multiple IS projects / programmes of any duration, complexity, criticality, and size (a typical project will fall between £50k and £15m and up to multiple years in duration).

Knowledge, Skills, Qualifications & Experience

Prepare and deliver workshops with groups of stakeholders, to convey information, facilitate discussion, elicit information, and reach consensus.
Knowledge of conducting assurance reviews for stage containment.
Collaborate with and indirectly influence third parties to perform to required standards and expectations.
Scope clear project outcomes where objectives are not clearly defined or understood by stakeholders.
Adapt and show resilience to constantly changing requirements in a time driven environment.
Identify and raise projects, proposing mitigation actions.
Actively drive collaboration forward across a programme of work with multiple delivery partners.
Understanding of Project Delivery Governance & Assurance
Excellent team player.

Qualifications & Experience

Understanding of programme and project management basics and methodologies, e.g., Prince2, Managing Successful Programmes (MSP) or equivalent.

Desirable

Experience of delivering IS projects within regulated industry.
Full project lifecycle experience
Prior experience working in Nuclear, asset intensive and/or Safety Critical industries.
Good technical IT knowledge.

Why Join Us

A major infrastructure project with national impact 
Hybrid working with flexibility built in 
Competitive salary, bonus and benefits 
Clear progression and development opportunities 
Supportive, collaborative team environment  

For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.