Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Lead OAT Tester (SC Eligible/Cleared)

£55k per annum
Full-time

About Scrumconnect

Scrumconnect Consulting is a UK-based digital transformation consultancy delivering secure, scalable, and user-centred solutions across government and enterprise organisations. We specialise in agile delivery, cloud platforms, data, and modern engineering practices-helping clients build reliable services that meet high operational and compliance standards.

Role Overview - Lead OAT Tester

The Lead Operational Acceptance Testing (OAT) Tester is responsible for leading and executing operational readiness testing to ensure systems are fully production-ready before go-live.

You will own the OAT strategy, manage test execution, produce operational evidence, and provide assurance that services are stable, resilient, monitored, and supportable. This role involves close collaboration with delivery, infrastructure, DevOps, and support teams, as well as mentoring junior testers.

Key Responsibilities

OAT Leadership & Strategy

  • Lead the planning and execution of Operational Acceptance Testing activities

  • Define OAT scope, approach, and entry/exit criteria

  • Ensure alignment with release and deployment timelines

  • Act as the OAT point of contact for stakeholders

  • OAT Test Execution

Lead and oversee operational test coverage, including:

  • Monitoring and alert validation

  • Alert simulation and escalation testing

  • Backup and restore testing

  • Failover and disaster recovery execution

  • Batch job restart validation

  • Stability and soak testing

  • Access, security, and support readiness checks

Evidence, Risk & Defect Management

  • Ensure detailed and auditable operational test evidence is produced

  • Log, prioritise, and track operational defects and risks

  • Coordinate retesting and validate fixes

  • Maintain OAT artefacts, reports, and audit documentation

Collaboration & Governance

  • Work closely with infrastructure, DevOps, and support teams to validate operational readiness

  • Lead OAT walkthroughs, reviews, and sign-off sessions

  • Support release, go-live, and milestone readiness reviews

  • Provide operational assurance to programme and delivery leadership

Team Leadership

  • Mentor and support QA/OAT team members

  • Review test artefacts produced by junior testers

  • Promote best practices and continuous improvement within OAT

Required Experience

  • 6-9 years of QA/Testing experience

  • Strong hands-on experience in Operational Acceptance Testing (OAT)

  • Prior experience leading OAT activities or teams

  • Experience across SIT and UAT with a strong operational focus

  • Excellent analytical, documentation, and stakeholder management skills

  • Experience working in regulated or controlled environments

  • Strong understanding of production readiness and live support models

Nice to Have

  • Experience with cloud platforms (AWS and/or Azure)

  • Exposure to monitoring, logging, and alerting tools

  • Understanding of incident, problem, and change management processes

  • Experience working in Agile delivery environments

Our Commitment to Diversity & Inclusion

At Scrumconnect Consulting, we believe diversity drives innovation. We are committed to fostering an inclusive workplace where everyone feels respected, valued, and supported.

We actively encourage applications from women, people with disabilities, individuals from under-represented communities, and those seeking flexible working arrangements.

As a Disability Confident Level 1 employer, we provide reasonable adjustments throughout the recruitment process and employment to ensure equal opportunity for all.

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Lead OAT Tester (SC Eligible/Cleared) in Surrey vacancy
  • £40k per annum

     ...Overview - Operational Acceptance Tester The Operational Acceptance Tester (OAT) supports the execution of Operational...  ...of senior testers and test leads, you will execute operational test...  ...Defect Management Log defects with clear evidence. Retest resolved issues... 
    Suggested
    Full-time
    Flexible hours
    Surrey
    3 days ago
  • £48k per annum

     ...Senior Operational Acceptance Tester (SFIA Level 4) About Scrumconnect Scrumconnect Consulting is a UK-based digital transformation consultancy...  ...Acceptance Tester The Senior Operational Acceptance Tester (OAT) is responsible for planning, coordinating, and executing... 
    Suggested
    Full-time
    Flexible hours
    Surrey
    3 days ago
  • £34.4k - £52.49k per annum

     ...Criminology Subject Lead Location: Camberley, Surrey Salary: Competitive, with TLR allowance Contract: 0.6 (3 days per week) or...  ...and motivate students * A proactive and organised leader with a clear vision for subject development * A collaborative practitioner who... 
    Suggested
    Full-time
    3 days/week

    Academics Ltd

    Surrey
    more than 2 months ago
  • £44k - £59k per annumEstimated
     ...Pensions Complaints Lead ~202604217 ~Redhill, England, United Kingdom ~Full time View favourites Description Join us as...  ...investigation and resolution of complex complaints, ensuring responses are clear, well-reasoned, and aligned with regulatory expectations. Acting... 
    Suggested
    Full-time
    Hybrid working
    On-site
    Immediate start

    WTW

    Redhill, Surrey
    13 days ago
  • £12.48k per annum

     ...apprentices Training course Early years lead practitioner (level 5) Hours...  ...Applicants who are not UK nationals must meet apprenticeship funding eligibility rules, including having lived in the UK or EU for at least 3... 
    Suggested
    Traineeship
    Monday to Friday
    Flexible hours

    HORSELL CHILDCARE LIMITED

    Woking, Surrey
    3 days ago
  • £31k - £41k per annumEstimated
     ...until we are all equal.   Role Purpose   The Policy & Positioning Lead provides strategic support to the Executive Director of Global...  ...complex programmatic evidence, data, and internal intelligence into clear narratives and policy-ready content.  ~Compile problem/... 
    Fixed-term contract
    On-site
    Flexible hours
    Shift work

    Plan International

    Woking, Surrey
    4 days ago
  • £37.08k per annum

    Facilities Lead Job Type Support Job Category Facilities Employment Basis Established (salaried) Location John Ruskin College...  ...to do so may lead to offers being withdrawn. Applicants must be eligible to work in the UK as we do not sponsor work permits, and work... 

    East Surrey College

    Redhill, Surrey
    more than 2 months ago
  • £28.2k per annum

     ...DAY MAY INVOLVE Work inside a prison, leading and working alongside offenders in a warehouse...  ...deal with people. Able to communicate clearly and deal with people, including in...  ...Friday shift pattern ~ Free parking ~ Eligibility to apply for a Blue Light Card (discounts... 
    Permanent
    Full-time
    Monday to Friday
    Shift work

    DHL Group

    Woking, Surrey
    2 days ago
  • £35k - £46k per annumEstimated
     ...for complete lift production capacity. The Role We are looking for a qualified engineer in Sunbury looking to become a Trainee Tester, who would like to progress and become NVQ4 qualified Testers. We will provide you with all necessary training to become an... 
    Long-term contract
    Full-time
    Traineeship
    Flexible hours

    Orona

    Sunbury-on-Thames, Surrey
    24 days ago
  • £35k per annum

     ...organised, hands-on stores and logistics professional with experience leading a team in a manufacturing environment? We’re looking for a Lead...  .... Good communication skills, with the ability to communicate clearly in both written and spoken English. Experience working within... 
    Casual work
    Hybrid working
    Immediate start
    Flexible hours

    Overview Ltd

    Woking, Surrey
    24 days ago
  • £66k - £85k per annumEstimated
     ...seeking a highly experienced Constructability Programme Manager (AWP Lead) to support a major EPC project, initially based in the Woking...  ...are captured and managed within the Kent Constructability Log, with clear ownership and accountability to ensure they actively influence... 
    On-site
    Flexible hours

    Kent

    Woking, Surrey
    26 days ago
  •  ...digital advantage in the most demanding environments.   Job Title: Lead SOC Architect Location: Guildford, Frimley - We offer a range...  ...within our Defence Business unit and requires a minimum of SC clearance, ideally DV clearance. Engage with client stakeholders... 
    Hybrid working
    On-site
    Remote
    Flexible hours

    BAE

    Guildford, Surrey
    8 hours ago
  • £70k - £80k per annum

     ...clean-energy engineering business is looking for a hands-on Senior / Lead Engineer to take ownership of electrical design across new...  ...a growing team moving from prototype to commercial deployment. Clear progression into technical leadership. To apply or find out more... 
    Permanent
    Flexible hours

    Cranleigh STEM

    Cranleigh, Surrey
    more than 2 months ago
  • £50k - £67k per annumEstimated
     ...Title: Lead Mechanical Engineers Delivering Solutions, Changing the World® Simply put at KBR, we do things that matter. Every...  ...skills, with the ability to collaborate effectively. Eligibility to work in the UK without restriction or Visa sponsorship KBR... 
    Long-term contract
    Full-time
    Hybrid working

    KBR, Inc.

    Leatherhead, Surrey
    17 days ago
  • £60k - £80k per annum

     ...An exciting opportunity has arisen for an experienced Team Lead / Principal Civil Engineer to join a rapidly growing multidisciplinary...  ...bonus. ~ Hybrid working. ~ Modern offices based in Epsom. ~ Clear progression into senior leadership. ~ Opportunity to build and shape... 
    Permanent
    Hybrid working
    On-site

    RGB London (697)

    Epsom, Surrey
    10 days ago
  • £38k - £49k per annumEstimated
     ...Pensions Lead Data Consultant ~202603195 ~Leeds, England, United Kingdom ~London, England, United Kingdom ~Reigate, England,...  ...Strong consulting skills and ability to present technical material clearly and concisely Good knowledge of UK Defined Benefit Pension... 
    Full-time
    Hybrid working
    On-site

    WTW

    Reigate, Surrey
    a month ago
  • £13.75 - £15 per hour

     ...difference. Inspire little learners. Love your job. Looking to bring your passion for Early Years to life? Join us as an Early Years Lead and help little ones flourish in a safe, nurturing, and playful environment. You’ll plan and deliver creative, age-appropriate... 
    Hourly pay
    40 hours/week
    Full-time
    Term-time
    Casual work
    Shift work

    Junior Adventures Group UK

    Staines-upon-Thames, Surrey
    5 days ago
  • £65.28k per annum

    Up to £65,283 (plus TLR) + excellent benefits To commence in September 2026. This is a teaching leadership role. The successful candidate will be expected to teach a Key Stage 2 class alongside their wider leadership responsibilities. Please note: If we receive a high...
    Permanent
    Immediate start
    Flexible hours

    Witherslack Group

    Surrey
    5 days ago
  • £44k - £56k per annumEstimated
     ...All the details Join M&S as a Team Manager in Food, where you’ll lead from the front and play a critical role in reshaping our stores...  ...who feel supported, challenged and proud of what they deliver Clear ownership of standards, safety, availability and operational excellence... 

    Marks and Spencer

    Godalming, Surrey
    24 days ago
  •  ...A wonderful opportunity has emerged for an assiduous educator to join a dynamic school community as a KS2 Phase Lead from September. Located in Tandridge, Surrey, Southeast England, this two-form entry school is dedicated to delivering top-tier education and nurturing a supportive... 
    Permanent
    Full-time

    Wayman Learning Trust

    Tandridge, Surrey
    more than 2 months ago
  • £30 - £32 per hour

    Company: APEX RESOURCE MANAGEMENT LTD Job Type: Contract Salary: £30 - £32 / hourly
    Hourly pay

    APEX RESOURCE MANAGEMENT LTD

    Woking, Surrey
    12 days ago
  • £22k - £29k per annumEstimated
     ...parents. Wage Competitive Competitive wage offered Training course Early years lead practitioner (level 5) Hours 4 Full days a week Monday - Friday- 8AM to 6PM, shifts... 
    40 hours/week
    Monday to Friday
    Shift work

    DALE SURREY LIMITED

    Lingfield, Surrey
    a month ago
  • £27.48k - £31k per annum

     ...As a Team Leader you’ll lead and inspire your team to provide exceptional customer service, meet business objectives and create a working...  ...needed. Ability to build strong relationships and communicate clearly and effectively. Experience of supporting employee training... 
    Permanent
    On-site

    WHSmith

    Horley, Surrey
    3 days ago
  • £220k - £250k per annum

     ...To successfully lead the Grants team and raise voluntary income from a range of Grantmakers including Trusts, Foundations and local Government grant funders contributing to an overall team target of £1-million +. Working effectively with a grants team of three, and across the... 
    Long-term contract
    Permanent
    Hybrid working
    On-site
    Weekend work

    The Eikon Charity

    Addlestone, Surrey
    4 days ago
  • £33k - £42k per annumEstimated
     ...Full-time Team Leader vacancy at GAIL's. If leading a team to success makes you smile and puts a spring in your step, then please read on...  ...role model. With no day being the same, you must be organised and clear talking to maximise your teams’ potential and to deliver our... 
    Full-time

    Gail's

    Woking, Surrey
    more than 2 months ago
  • £42k - £57k per annumEstimated
     ...with solving and creating for specific channels. This role is currently hybrid with 1-2 days in office or as needed. The role will lead and strategically enhance our digital presence, ensuring consistent, high-quality output that aligns with business objectives. This role... 
    Full-time
    Hybrid working
    On-site
    Immediate start
    Shift work

    Western Digital

    Guildford, Surrey
    12 days ago
  • £35k - £47k per annumEstimated
     ...legislation and keep our colleagues safe in the workplace, colleagues in this role must be 18 years of age or older. Purpose of the Shift Lead role To lead the fill operation, delivering a salesfloor that is ready to trade, taking operational responsibility for coordinating... 
    Shift work

    Marks and Spencer

    Reigate, Surrey
    13 days ago
  • £41.01k - £49.15k per annum

     ...schools and ethos help us achieve the best possible outcomes. In short, we're enhancing life opportunities. Our Designated Safeguarding Leads are a huge part of making sure our children and young people's needs are fully recognised and comprehensively met. Get out what you... 
    Permanent
    Flexible hours

    Witherslack Group

    Surrey
    2 days ago
  •  ...Head of Science - Staines-upon-Thames, Surrey &##129516;&##129514;⚛️ Lead Scientific Strategy: Head of Science Opportunity in Staines-upon-Thames! We are seeking an inspirational, strategic, and experienced Head of Science to lead a large and ambitious department at... 

    Marchant Recruitment

    Horley, Surrey
    more than 2 months ago
  • £23.92 per hour

     ...Start Start Time : 09:00 End Time : 17:00 Salary: £23.92 To lead the Planning Policy Team and manage various work in connection...  ...Planning or equivalent qualification  Membership of RTPI or eligible for membership  Experience and achievements Significant... 
    Full-time
    On-site
    Immediate start
    Flexible hours

    Reigate and Banstead Borough Council

    Reigate, Surrey
    10 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Lead OAT Tester (SC Eligible/Cleared). Be the first to apply!