Nucleus Financial
Investment Administrator - Corporate Actions

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Job Description
Role is based in London
Third Platform Services (TPS)
TPS, established in 2016 as part of the Third Financial group, specializes in offering Model B clearing, custody, and dealing services to FCA-regulated Wealth and Investment Management firms. As the fastest growing and most innovative Investment Platform and Software provider in the market, we are dedicated to delivering unparalleled service to our customers. Our commitment to excellence is driven by cutting-edge automated technology, a devoted client services team, highly experienced operational staff, and a pivotal compliance support function. These resources allow us to consistently provide the highest levels of service to our valued clients.
Job Purpose
We are looking for an experienced, corporate actions administrator to join our expanding team. The successful candidate will be someone who enjoys challenges and desires to work in a rapidly growing company, with opportunities for progression in their role.
Main Responsibilities
- Our team is responsible for all income, full lifecycle of all capital events (mandatory and voluntary), and proxy voting. This includes sending out market information, monitoring for updates, diarising, deadlines, instructing and processing.
- Investigating and resolving reconciliation breaks.
- Raising / Settling claims with counterparties.
- Processing FX transactions and ensuring clients' entitlements are posted accurately.
- Reviewing all corporate action information from vendors, circulating it to customers, maintaining the Corporate Actions diary, and ensuring all work is prioritised and completed daily.
- Collating and electing customer instructions through CREST and with our external custodians while adhering to deadlines.
- Processing events using our in-house software, ensuring adequate client funding and accuracy of book costs. Dealing with and responding to customer queries within our agreed SLAs.
- Collaborating with other teams to resolve issues.
- Logging upcoming company meetings, sending appropriate communications to customers, and processing proxy voting instructions.
- Processing fund conversions.
- Identifying opportunities for process improvements, including system developments.
- Other duties as assigned.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
See breakdownIt searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Skills Required
- Corporate Actions experience, ideally in both capital and income processing, across all markets and financial instruments.
- Experience with franked income, US withholding tax, CTC categories, and Unit Trust distributions (knowledge of Group 1 / Group 2 elements).
- Knowledge of proxy voting.
- Identify gaps and help improve processes.
- Able to identify when to escalate issues to management.
- Knowledge of CASS rules.
- High level of risk awareness.
- Excellent IT skills, including MS Office, Word, and especially Excel.
Advantageous (but full training will be given to the right candidate)
- Experience with book cost apportionments and Corporate Action-related CGT calculations.
- Knowledge of Investment Management software (Tercero/Crest/Bloomberg/Nexen/Aegon).
Qualities/Attributes
- Great written and verbal communication skills.
- Collaborative approach.
- Take ownership and be accountable.
- Mature and responsible.
- Organisational skills.
- Ability to prioritise own workload.
- Questions why things are done and drives change.
- Attention to detail.
- Proactive.
- Enthusiastic.
- Team player.
A Little About Us
We’re the Nucleus Financial Platforms group and we help make retirement more rewarding.
- People come first - whether it’s our colleagues, or the advisers and customers we support, we know that working in partnership and collaboration leads to the best outcomes. Together, we’ve shaped the platform to how it is today. We work hard, and we celebrate hard too.
- Our ambition is to create a platform with a difference, putting the customer centre stage meant tearing up the rule book and starting from scratch. We’ve come a long way since then, but our mission remains just as focused. That’s why our culture, values, and social responsibility are things we keep at the top of our agenda – because we know they matter and have a big impact.
- Our culture is one of the many things that sets us apart from the pack. We want to have an environment where our people feel that they can make a real difference, know they’ll be rewarded for their efforts and more importantly, enjoy themselves at work.


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Inclusion and Diversity at Nucleus
- As with most things in life, who cares, wins. We really care about inclusion.
- For us it’s not a tick box exercise; inclusion and diversity are embedded in our culture and everything we do. It’s a commercial imperative. It isn’t about being PC. It’s about being future-relevant and durable. We owe it to ourselves and the industry to ensure we are playing our part in creating a fair, balanced and transparent financial services sector.
- More diversity means broader experience, a wider set of perspectives and a better collective ability to problem-solve. And it means being more representative of customer groups, which supports areas such as product development.
Benefits
At Nucleus, we offer a generous blend of benefits for the things that really matter to our people, including a non-contributory pension, bonus, enhanced parental leave, paid time off for emergencies, health and wellbeing initiatives and flexible working options.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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