Applications Support Analyst - 3rd Line (Hiring Immediately) in Milton Keynes

We’re looking for a 3rd Line Applications Support Analyst who’s not just technically capable, but someone who enjoys questioning how things are done and bringing fresh ideas to the table.

As our 3rd Line Applications Support Analyst, you’ll get stuck into complex problem‑solving, support deployments and data migrations, and contribute to improvements across core systems such as CASH, Business Central (Finance, Payroll, CRM), and SQL Server, while also experimenting with modern tools like APIs, automation, and Python to help shape smarter, more efficient ways of working – Always willing to voice opinion to bring innovation to our technological landscapes.

What you'll be doing:

• Providing 3rd Line support across core business applications including CASH, TimeGate, Business Central, and related SQL Server environments.
• Performing root cause analysis on complex technical issues and delivering recommendations for long‑term fixes.
• Managing incidents and workload through ServiceNow, ensuring all tickets meet agreed SLAs.
• Supporting and contributing to IT project delivery, offering technical expertise where required.
• Leading on data consolidation and migration, including analysing Advantage databases and ensuring accurate data flow into ERP (BC14).
• Designing and implementing data integrations, ensuring seamless connectivity between applications and ERP systems.
• Creating and maintaining technical documentation, including migration steps, support processes, and integration workflows.
• Leveraging modern technologies (AI, automation, APIs, Python) to enhance system performance and introduce smarter ways of working.
• Supporting release and deployment management, assisting with software packaging, change requests, and environment updates.
• Participating in service introduction and out‑of‑hours support as part of the Applications Support team rotation.

Please note - The responsibilities listed here aren’t the full picture—but they give you a good sense of the role. If you meet the minimum requirements and believe you’ve got what it takes to succeed, we’d love to hear from you.

What We’re Looking For:

• Minimum of 5 years IT Support experience.
• Extensive SQL Server knowledge including Microsoft SQL Server all versions.
• Advantage DB server knowledge.
• Knowledge of Oracle Cloud services an advantage.
• Database performance tuning and optimization (DMVs, Query Explanation Plan).
• Expert-level T-SQL skills.
• Ability to write and debug Stored Procedures.
• Use of SSIS, SSAS, SSRS.
• Solution- and delivery-oriented with the ability to work on multiple projects simultaneously.
• Knowledge of Visual Studio.
• Database Release Management.
• Experience and a good working knowledge of application performance.
• ITIL Service and Support qualification is desirable.
• Demonstrable experience of working in an IT Support environment is required.
• Applications: Legacy Applications, CASH, TimeGate and Business Central (Finance, Payroll, CRM) and all Application Interfaces.
• Mainly working from home with one day per week in office, either Milton Keynes or Birmingham. Occasional travel in accordance with business and project requirements.
• Working knowledge in all IT disciplines listed in this specification.
• Proven track record of providing innovative solutions to facilitate business opportunities.

It’s great to see you’re considering a career with Securitas UK! Join our global team of 336,000+ colleagues and help make the world a safer place.

At Securitas, we live by our values of Integrity, Vigilance and Helpfulness, and our People Promise: Opportunity – We see potential in every person and situation; People – We open our eyes to all that’s good; Purpose – We make your world a safer place.

Our Recruitment Team reviews every application carefully. Applying can feel daunting, but we’re here to support you—just email us if you need help.

Diversity & Inclusion – Be Yourself. We are an inclusive employer, proud of our Level 2 Disability Confident status (we will always try our hardest to guarantee interviews for eligible candidates, should you meet the roles minimum requirements, having disclosed a disability to our Talent Team upon application). We support equality through Employee Networks - Our real change makers of the business.. YOU, the Race at Work Charter, and the Armed Forces Covenant. We also celebrate diversity with events like BSL Week, International Women’s Day, PRIDE and Black History Month.

Your Benefits:

• STRIVE – Securitas Perks gives you access to a great range of discounts on a variety of retailers, services and everyday spending to suit your shopping habits.
• Dental Plans - A range of plans providing support, providing cash back towards everyday dental costs, such as dental examinations, X-rays, and treatment.
• HSF Health Plan - Range of healthcare cash plans at highly discounted rates, providing families with peace of mind by getting cash back on everyday medical costs, such as dental check-ups, contact lenses and acupuncture, and by covering unexpected costs.
• Cycle to Work – A super cost-effective way of getting a brand new bike, cycling equipment or both. Save up to 42% of the usual cost and spread the cost over several months from your salary.
• Specsavers – Save money on eye tests and when purchasing spectacles.
• WeCare – A 24/7 online GP, mental health support service, get fit programme and more.
• Toothfairy – Online access to advice and guidance, from real UK Dentists.
• Pension Plan – Plan for your financial future by building up a benefit in the Securitas Pension Plan, with the benefit of employer contribution plus tax relief on your contributions.
• Payroll ISA – An ISA savings account is a great way to meet your longer term personal financial goals.
• Free Mortgage Advice.
• Go & Live – Financial Wellbeing Hub.
• Death in Service Benefit - Permanent employees are automatically covered for Life Assurance, which would provide a lump sum benefit to your beneficiaries in the unfortunate event of death in service whilst employed by Securitas.

Join a team that values you. Click ‘I’m Interested’ and start your career with Securitas UK today.

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