Loomis, Sayles & Company
Manager, Portfolio Administration
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Loomis Sayles
Loomis Sayles is a performance-driven active asset management company that seeks to identify exceptional investment opportunities on behalf of institutional and retail clients worldwide. We believe active management fueled by proprietary, best-in-class research helps us achieve financial success for our clients. Founded in 1926, Loomis Sayles currently oversees approximately $434.6 billion in assets under management (as of 30 June 2026) for global clients spanning more than 50 countries.
We foster a culture of entrepreneurialism, where all employees are empowered and encouraged to develop themselves and their ideas. Our culture centers on our shared IDEALS, the core characteristics of who we aspire to be as employees and an organization.
INCLUSIVE & DIVERSE-DEDICATED TO TEAMWORK–EXCELLENT–ACCOUNTABLE–LEADERS-SOLUTIONS-ORIENTED
About The Role
Loomis Sayles is committed to the continual improvement of our performance, processes and people. As part of this commitment, we are looking to hire an enthusiastic and passionate candidate, eager to contribute to our continued success through the following employment opportunity:
The Manager, Portfolio Administration will lead and oversee a team responsible for critical portfolio administration and investment operations functions supporting the global business needs of Loomis Sayles. This role will manage day-to-day execution across areas such as derivative operations, collateral management, client cash flow confirmation, portfolio accounting, reconciliation, and operational reporting. The Manager will be responsible for developing team members, strengthening controls, improving processes, resolving escalated issues, and partnering with internal and external stakeholders to support the firm’s evolving global infrastructure.
About The Team
The Portfolio Administration department has over 50 members in the US and UK, working remotely across the globe. The department consists of seven teams, including Central Cash Management, Derivatives Operations, two daily Mutual Funds Operations teams, and three reconciliation teams managing client accounting and reporting. The Manager will provide leadership within this department, ensuring the London team delivers accurate, timely, and client-focused service to Loomis Sayles and its clients worldwide.
Job Responsibilities
Team Leadership and Operational Oversight
- Manage, coach, and develop Portfolio Administration team members, including workload allocation, performance guidance, training, and career development
- Oversee daily operational activities to ensure timely, accurate, and controlled execution of portfolio administration functions
- Serve as an escalation point for complex operational issues, coordinating resolution across internal teams, custodians, vendors, and other external partners
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Collateral Management, Derivatives Operations, and Central Cash
- Oversee cleared derivative operations, collateral management, reconciliation, margin instruction, and related issue resolution
- Manage and improve the client cash flow confirmation process on behalf of portfolio management and trading teams working European hours
- Ensure team procedures, controls, and documentation are current, consistently followed, and aligned with business needs
Portfolio Accounting And Reporting
- Oversee the input, verification, and control of cash transactions, securities data, pricing, and other portfolio accounting information
- Ensure accurate and timely production of standard and ad hoc reports for internal stakeholders, external partners, and client-related requests
- Partner with trading, portfolio management, technology, compliance, and client-facing teams to improve operational workflows and data quality
- Monitor trade data flows from trading desks and counterparties to ensure accurate transformation into accounting systems and timely reporting to custodians
Reconciliation And Controls
- Oversee timely reconciliation of holdings, cash, and transactions between internal systems, custodian banks, and other external records
- Maintain strong control standards by ensuring discrepancies are documented, escalated, resolved, and reviewed appropriately
- Use operational metrics and reporting to identify trends, reduce risk, and improve team efficiency and service quality
Vendor, Industry, And Stakeholder Relationships
- Manage relationships with vendors, custodians, counterparties, and other institutions to improve service quality and stay current on industry and market developments
- Represent Portfolio Administration in cross-functional initiatives, system enhancements, process redesign efforts, and business readiness activities
Qualifications & Education Requirements
- Bachelor’s degree or equivalent experience required
- Meaningful experience in investment operations, portfolio administration, portfolio accounting, derivatives operations, reconciliation, or related asset management operations functions
- Prior experience managing, supervising, mentoring, or leading operational professionals
- Strong knowledge of fixed income, equity, derivative, cash, and/or portfolio accounting workflows
- Proficiency with Microsoft Excel and ability to use data, reporting, and operational metrics to manage risk and drive improvement
- Strong problem-solving, analytical, organizational, and decision-making skills
- Excellent communication and stakeholder management skills, including the ability to manage competing priorities and a high volume of communication
- Ability to lead effectively in a remote/hybrid environment while fostering collaboration, accountability, and continuous improvement
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Additional Requirements
- Management experience in investment operations, asset management, or a related financial services environment preferred. Experience with process improvement, operational risk management, vendor oversight, and global team coordination is strongly valued.
Compensation
Loomis Sayles is committed to offering competitive and equitable compensation. The salary range for this position is £85,000-£110,000. Your starting salary will be based on your experience, skills, qualifications and local benchmarking. This position is also eligible for a discretionary annual incentive award, which is based on individual and company performance. In addition to your compensation, you will have access to a comprehensive benefits package designed to support your health, well-being and financial security.
Global Benefit Statement
At Loomis Sayles, we believe benefits should empower our employees to thrive — at work and beyond. To attract and retain diverse talent worldwide, we are committed to offering comprehensive, competitive benefits that support your well-being, your family and your future. Designed with both local and global needs in mind, our benefits ensure that wherever you work, you have the support and resources to succeed.
Core Global Benefit Offerings
EEOC and Diversity Statement
Loomis Sayles is deeply committed to building a diverse and inclusive workforce in which talented individuals can realize their full potential and contribute to our growth and success. Please consider applying for this role even if your work history and skillset doesn’t completely match the job description. We believe creativity, tenacity and humility are as valuable as specific skills that can be practiced and perfected on the job.
We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, creed, color, gender, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability or any other federal, state or local protected class.
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