Senior Project Manager / Agile Scrum Master

Job Title: Senior Project Manager / Agile Scrum Master

Location: Sutton (Carshalton) & London – 2 days a week (between Tuesday and Thursday)

Salary/Rate: Up to £715 a day Inside IR35

Start Date: August 2025

Job Type: 6-month contract (with scope to extend)

Company Introduction

We are seeking an experienced Project Manager with Agile Scrum Master expertise to lead cross-functional teams in executing a high-priority security improvement initiative.

This role will drive delivery across multiple workstreams, implementing robust processes to ensure alignment with enterprise security standards, and regulatory compliance.

*The successful candidate must be able to work onsite in the Sutton (Carshalton) & London – 2 days a week (between Tuesday and Thursday)*

Job Responsibilities/Objectives

Agile Leadership & Project Management

• Lead agile ceremonies including sprint planning, stand-ups, retrospectives, and backlog grooming
• Manage sprint execution and delivery timelines across multiple squads.
• Facilitate Scrum of Scrums and cross-team coordination to ensure consistent progress and unblock dependencies
• Maintain project schedules, scope, and resource plans, escalating risks and issues as needed.

Security Improvement Initiatives

• Implement improvements to and embed ongoing processes for:
• Hardening of improperly configured endpoints, ensuring compliance with CIS benchmarks
• Monitoring of GitHub Advanced Security alerts
• Hardening internal endpoints using EntraID and enforce SSO integration with SaaS providers per company standards
• Upgrades of end-of-life software and operating systems
• Review remediation processes to ensure alignment to latest practices

Governance & Compliance

• Ensure all security tasks align with internal audit findings and enterprise risk management protocols
• Collaborate with security champions and engineering leads to embed secure development practices.
• Track and report on agile squad productivity using automated scorecards and Kanban views

Required Skills/Experience

• Proven experience as a Senior Project Manager and Scrum Master in enterprise environments.
• Strong understanding of Agile frameworks (Scrum, Kanban) and DevSecOps principles.
• Experience managing projects that implemented infrastructure as code and secure CI/CD pipelines.
• Excellent communication, facilitation, and stakeholder management skills
• Familiarity of enterprise tools eg JIRA, Confluence, Azure DevOps, as well as highly proficient in using MS Office including Excel, Powerpoint and Sharepoint, project management tools

Desirable Certifications

• PMP, CSM, PSM, or equivalent Agile certifications.
• Security-related certifications (e.g., CISSP, CISA) are a plus.
• Familiarity with GitHub Advanced Security, EntraID, and CIS benchmarks

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.

Disclaimer

Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.

Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.