Bid Manager & Writer

We are seeking a skilled and experienced Bid Manager and Writer to join our dynamic Business Development Team. This is a pivotal, hands-on role that will play a key part in driving organisational growth, securing new opportunities, and retaining existing contracts. Working closely with senior colleagues and internal stakeholders, you will develop strong, persuasive bids and proposals that meet financial targets and organisational objectives. While you will work independently on bids, you will also be an integral part of the wider Bid and Business Development teams, supporting colleagues and collaborating with subject matter experts as required.

SIG is a complex and growing organisation, delivering a wide range of health, social care and criminal justice funded services. In this role, you will lead competitive tendering processes end to end, crafting compelling, compliant submissions that align with our mission and values. You will take ownership of the full bid lifecycle, from early market engagement through to final submission ensuring quality, consistency, and compliance at every stage.

Many procurement processes screen submissions for AI‑generated content, and our bids must meet strict originality requirements. Applicants must be able to write independently and produce original bid content without reliance on AI writing tools

Job Title: Bid Manager & Writer

Location: Highbury & Islington. Unfortunately, this premises does not have step free access.  

Salary: £42,000

Shift Pattern: 37.5 hours per week, Monday to Friday 09:00 - 17:00. Hybrid role based in our central office with regular travel to our services, market engagement events and days working from home

Key Responsibilities Include:

• Lead the development and submission of competitive bids, ensuring all are delivered on time and to the highest standard.
• Collaborate with senior colleagues and internal teams to secure necessary approvals and sign-off for bids and budgets.
• Produce high-quality, engaging proposals that clearly articulate SIG’s vision, services, and value to commissioners and funders.
• Build and maintain strong relationships with internal and external stakeholders, including senior leaders and commissioners.
• Conduct market research and stay informed on trends across social care, criminal justice, healthcare, and procurement to inform bid strategy.
• Work closely with Bid Team colleagues to draft, review, and finalise submissions.
• Attend market engagement events and undertake service visits to gain insight and represent SIG effectively.

About You

We're looking for a self-starter, someone who can hit the ground running and form effective purposeful relationships within the organisation and externally, someone innovative, creative, and able solve problems to support our growth! Someone with previous experience writing bids and/or proposals, securing new or existing contracts. We're looking for an effective communicator, with a high attention to detail and quality. You will be passionate about what we do, supporting vulnerable people and understand the complexities of their backgrounds. .

What We’re Looking For

• Proven experience in bid writing and bid management, with a track record of securing new contracts and retaining existing ones.
• Exceptional writing, editing, and proofreading skills, with strong attention to detail.
• The ability to produce clear, compelling, and engaging content.
• Ideally, experience securing bids and proposals within the voluntary, social care, criminal justice, or healthcare sectors.
• A strong understanding of the sector.
• Confidence in engaging with senior stakeholders, including directors and commissioners, and leading bid-related meetings.
• Strong project management skills, with the ability to prioritise effectively, meet deadlines, and work independently in a fast-paced environment.
• Proficiency in Microsoft Office (Word, Excel, Outlook) and experience using tender portals.
• A proactive, self-motivated approach, with the ability to take ownership of bids through to successful completion.
• Alignment with SIG’s values of Ambition, Empowerment, Transparency, and Inclusivity.

Please refer to the JDPS on our website for more details on the vacancy and our requirements/key criteria.

What we Offer

• 25 days (Full time equivalent) annual leave, increasing with the length of service
• Employer Pension Contribution
• Eligibility to register with Blue Light Discount Card
• Access to discounted tickets for music events, shows, sports and more
• Reflective Practice regular sessions with a therapist provided by an external provider to support Mental Health and Wellbeing at work
• Training and Development, including access to courses, upskilling, and progression plans
• Employee Assistance Programme, including counselling
• Life Assurance Scheme
• Cycle-to-work scheme
• Annual Staff Awards
• EDI Ambassador programme

About Social Interest Group (SIG)

SIG is a not-for-profit organisation providing thousands of people with good-quality support and care in residential, drop-in centres, community floating support settings, probation settings, and hospitals. We do so across London, Brighton, Bedfordshire, Luton, Kent and Liverpool. Our goal is to transform lives through empowering change. 

We believe good care and support improves lives with the vision to create healthier, safer, and more inclusive communities. Join us on our mission to empower independence through trauma-informed solutions and dynamic partnerships that keep people out of prison, out of hospital, and off the streets.
Want to know how we work? Watch our short Theory of Change video to see how we support people towards a brighter future: Theory of Change Further details can be found on our website here: Theory of Change - Social Interest Group - Social Interest Group.