Location: Portsmouth with a hybrid working model

Hours: Full time

Salary: From £50,000 but negotiable, depending on experience. The role comes with a competitive benefits package including pension (7% company contribution), additional holiday purchase options and life assurance.

We offer a combination of mentoring and internal and external training opportunities, with specialist sector organisations and inhouse courses. You will have exposure to subject matter experts and additional online learning packages.

The Role:

Sirius Digital are a rapidly growing software and data science consultancy firm, renowned for our reputation and our keen ability to understand and meet customer requirements effectively. Our team is dedicated to delivering high-quality, end-to-end software and data science services. This role offers the opportunity to work with these teams to operate across multiple sectors, including defence, energy, transport and health, and contribute to the development of cutting-edge solutions.

We are seeking a Senior Project Manager to support the delivery of a range of high-profile Agile technology projects within the business. This is a unique opportunity to join a practitioner-led team working on projects that have real impact, in modelling & simulation, autonomy and data science.

You will be joining a forward-thinking function at a pivotal moment, playing a key role in helping the business mature its agile delivery capability and strengthen project governance across a growing portfolio.

As a Senior Project Manager, you will be the right-hand support to the Portfolio Manager, leading from the front to drive delivery excellence, and embed agile practices within our Agile software development projects that deliver key tools to our customers in areas such as Modelling & Simulation and Autonomy, and Data Science projects using cutting edge technology.

Responsibilities will include:

Provide end-to-end project and programme management support, ensuring the delivery of tasks to time, cost, and quality standards.
Lead the planning, execution, and monitoring of projects, including resource management, risk assessment, and progress reporting.
Apply agile methodologies (Scrum, SAFe) and hybrid frameworks to drive consistency and efficiency.
Act as Scrum Master, facilitating ceremonies and promoting agile maturity across teams.
Deliver quality controls and standards on projects in line with the organisation’s Quality Management System (QMS).
Facilitate stakeholder management by developing and maintaining effective relationships with internal and external stakeholders.
Monitor project performance using key metrics, analysing trends and providing actionable insights to senior leaders.
Lead the preparation of project plans, proposals, and reports to ensure consistency and adherence to client requirements.
Drive information management across the company, contributing to the development and maintenance of robust data systems and dashboards.
Support business development activities, including bid preparation and framework management.
Represent the company in client-facing roles, maintaining high standards of professionalism and delivery excellence.
Adapt to changing priorities and manage multiple projects simultaneously in a dynamic environment.
Contributing to the Sirius P3M Community of practice

About You

You are a delivery-focused project manager who thrives in structured and complex environments. You combine hands-on delivery capability with the ability to engage senior stakeholders and the agility to adapt to a hybrid (agile/waterfall) setting. The successful candidate must demonstrate the following attributes:

Proven experience in project, programme, or portfolio management roles with cyber, digital or software projects
Educated to degree level or equivalent
Hold a relevant professional project management qualification (e.g. APM, APMG Agile PM, PRINCE2, MSP)
Agile background, ideally Scrum Master or SAFe certified
Experience of using tools such as Jira, Asana or Trello
Strong track record of delivering projects to time, cost, and quality standards using agile and hybrid methodologies.
Experience working in a consultancy environment or with government clients.
Demonstrable experience in:
Delivering quality on projects
Managing multiple projects simultaneously
Managing stakeholder relationships effectively
Supporting teams in dynamic, multi-disciplinary environments
Excellent communication, presentation, and report‑writing skills.
Strong attention to detail and organisational skills, with the ability to prioritise workloads under pressure.
Membership of a professional body (e.g., APM, PMI) and a desire for continued professional development.
Ability to travel to client sites across England as required. (Predominantly South and South‑West Regions), and the opportunity for occasional international travel.
Technical specialism in aspects of project management e.g. risk management, benefits assessment / realisation, stakeholder analysis, requirements management, Cost budgeting and forecasting.
Familiarity with frameworks such as Lean, or Six Sigma.

What we offer

The role comes with a competitive benefits package including:

electric vehicle scheme
pension (7% company contribution)
additional holiday purchase options
private health care and life assurance

Other Requirements

Candidates must have an existing right to live and work in the UK.
Candidates must be willing to undergo an internal baseline personnel security standard check prior to starting their employment with the company.
Candidates must be willing and eligible to complete a United Kingdom Security Vetting (UKSV) security clearance application to the Security Check (SC) level upon starting their employment with the company. To gain SC Clearance you will normally need at least 5 years’ UK residency.

The ideal candidate will have experience in managing a project from start to finish. This candidate will be able to create a plan of action which will consider a fixed timeline and evaluate risks. This individual should also have experience managing people and be an effective communicator.

Responsibilities

Direct and oversee completion of project
Develop plan of action including schedule, resources and work plan
Assess risks and establish contingency plans
Manage work and inputs from variety of stakeholders

Qualifications

5+ years of experience in project management or relevant fields
Demonstrated ability to deliver a completed project
Experience working with a team

To Apply

To apply please send a covering email and CV to

CVs are reviewed upon submission and initial phone for face-to-face interviews are likely to begin within two weeks. Feedback will be given on all interview candidates regardless of success.

Interested in this role?

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