Systems Accountant

Plessey Semiconductors Ltd; Plymouth; On-site; GBP 65,000 - 90,000; Full time

Job summary

Plessey Semiconductors Ltd in Plymouth is seeking a Finance SAP super-user to own FI/CO configuration and design. You will work with IT and finance teams to improve controls, automate processes, and deliver smarter, more efficient finance operations.

The role requires qualified accounting credentials (ACA, ACCA or CIMA) and hands-on SAP experience across FI/CO, MM and SD, including SAP notes application and system changes. Strong communication is essential.

Qualifications

• Qualified accountant (ACA, ACCA or CIMA).
• Solid hands-on experience using SAP, ECC6 or S/4 HANA, across FI/CO, with working exposure to MM and SD, in a finance, reporting or audit capacity.
• Understanding of financial control, reconciliations and the month-end close process.
• Ready to take ownership of configuration and design across FI/CO/MM/SD – applying SAP Notes and making configuration changes directly.
• Excellent analytical skills and attention to detail.
• Clear communicator, able to explain system and process issues to non-technical finance and operational stakeholders.

Responsibilities

• Act as the finance super-user and first point of contact for resolving issues and configuring changes in SAP.
• Act as primary application owner for configuration and design of SAP FI/CO.
• Collaborate with IT for Basis, infrastructure, ABAP programmer and other technical areas outside the SAP application modules.
• Work across module boundaries with departmental owners to resolve integration issues affecting financial postings and supporting other operational projects that require SAP expertise.
• Own system-driven elements of the month-end and year-end close.
• Act as owner of General IT Controls (GITCs) for the entity – maintaining access, change and security controls in SAP, and identifying, tracking and remediating risks across the finance systems landscape and support statutory audit.
• Support integration of SAP with other business IT systems.
• Identify opportunities to automate and streamline financial processes, reducing manual intervention and risk.
• Provide training and documentation to finance and operational users on SAP processes and best practice.
• Contribute to wider finance projects, including system rollouts, data migration and reporting improvements.
• Act as the owner of ancillary finance systems such as the invoice registration system.

Skills

SAP FI/CO

MM/SD integration

Financial controls

Analytical thinking

Effective communication

Education

ACA/ACCA/CIMA

Tools

SAP ECC6

SAP S/4HANA

Job description

We’re building the hardware foundation for next-era computing.

Plessey is a world-leading technology company driving the next generation of photonic devices and systems. With over 70 years of innovation, we combine research, materials science, process engineering, and manufacturing under one roof. We’re recognised as a global authority in microLED displays and optical interconnects.

Join us to work on breakthrough technologies shaping the future of light-based technology and computing

Location

Based in Plymouth

Our Values

Lead

We don’t follow industry trends; we create them, pushing boundaries and setting standards others aspire to. Every team member has the power to make decisions, drive change, and deliver excellence. We support each other, challenge one another for the best solutions, and lead by example. Together, we build industries and technologies that shape the future and scale toward our vision of the next era of computing.

Grow

We expand our capabilities every day — deepening our expertise, improving how we work, and pushing the boundaries of what’s possible. Curiosity fuels us: we question assumptions, explore new ideas, and innovate with light-based technologies. By investing in and empowering our people, we strengthen Plessey’s impact and help shape the future of optical technology.

Trust

We operate like a family—honest, reliable, and supportive. We have each other’s backs, own our actions, and uphold the highest standards of integrity and safety. We trust each other to deliver, our customers to challenge us, and our expertise to guide the way. Together, trust enables the collaboration essential for breakthrough innovation and lasting impact.

About the Role

It’s an exciting opportunity for an accountant who enjoys working at the intersection of Finance, systems and process improvement, with the opportunity to maintain and optimise Finance systems, improve business processes and support automation. As the Finance SAP super-user, you’ll take ownership of key areas of FI/CO configuration and design, while working closely with IT and operational teams to solve problems, strengthen controls and deliver smarter, more efficient processes across the business.

Key Responsibilities

• Act as the finance super-user and first point of contact for resolving issues and configuring changes in SAP.
• Act as primary application owner for configuration and design of SAP FI/CO.
• Collaborate with IT for Basis, infrastructure, ABAP programmer and other technical areas outside the SAP application modules.
• Work across module boundaries with departmental owners to resolve integration issues affecting financial postings and supporting other operational projects that require SAP expertise.
• Own system-driven elements of the month-end and year-end close.
• Act as owner of General IT Controls (GITCs) for the entity – maintaining access, change and security controls in SAP, and identifying, tracking and remediating risks across the finance systems landscape and support statutory audit.
• Support integration of SAP with other business IT systems.
• Identify opportunities to automate and streamline financial processes, reducing manual intervention and risk.
• Provide training and documentation to finance and operational users on SAP processes and best practice.
• Contribute to wider finance projects, including system rollouts, data migration and reporting improvements.
• Act as the owner of ancillary finance systems such as the invoice registration system.

Skills, Knowledge and Expertise

• Qualified accountant (ACA, ACCA or CIMA).
• Solid hands-on experience using SAP, ECC6 or S/4 HANA, across FI/CO, with working exposure to MM and SD, in a finance, reporting or audit capacity.
• Understanding of financial control, reconciliations and the month-end close process.
• Ready to take ownership of configuration and design across FI/CO/MM/SD – applying SAP Notes and making configuration changes directly.
• Excellent analytical skills and attention to detail.
• Clear communicator, able to explain system and process issues to non-technical finance and operational stakeholders.

Advantage

• Prior experience in a dedicated systems accountant, finance systems or ERP-facing role.
• Understanding of how FI/CO integrates with Materials Management (MM) and Sales & Distribution (SD).
• Configuration experience in MM and/or SD, including cross-module integration design.
• Experience of SAP implementation or upgrade projects (e.g. ECC6 to S/4HANA migration).
• Exposure to a manufacturing, engineering or technology environment.
• Experience with data migration, master data governance or system integration.