Job Description:
Senior Portfolio Manager (People & Operations) | hybrid | Querétaro and/or Guararema
Step into the role of Senior Portfolio Manager with Mars Global Services (MGS), specifically in our People & Organization (P&O / Human Resources) division at Mars Inc. This position offers the opportunity to partner with various business units to develop and implement strategic plans. You’ll manage a diverse portfolio of Human Resource-related projects, each designed to shape the experiences of our Associates and contribute to their success at Mars. By aligning these projects with our organizational goals, you’ll play a key role in monitoring performance and leading the planning, scheduling, and reporting of portfolio-related activities.
As a Senior Portfolio Manager, you will be at the forefront of navigating organizational complexity, balancing the needs and priorities of multiple stakeholders, and providing thought leadership to drive innovation and best practices across the P&O portfolio.
What are we looking for?Certifications: A Portfolio Management Professional (PfMP), Management of Portfolio (MoP), or similar certification would be highly advantageous.
Education: A bachelor’s degree is required.
Experience: We’re seeking someone with at least 7-10 years of experience in Portfolio Management, Program Director, or Transformation Director roles, ideally with a proven track record of managing complex portfolios.
Professional Skills: The ideal candidate will possess the following skills:
Exceptional analytical and quantitative skills, with the ability to interpret complex data and drive informed decision-making.
Deep expertise in project and portfolio management methodologies, ensuring consistent application of best practices.
Proficiency in project management tools and software, with a preference for experience using ServiceNow.
Outstanding communication and interpersonal skills, capable of engaging effectively with stakeholders at all organizational levels.
Proven leadership abilities, including team development, motivation, and management in matrixed environments.
Skilled in delivering compelling presentations and facilitating productive meetings that drive alignment and action.
Adept at building and maintaining strong relationships with senior executives and cross-functional partners.
Demonstrated capability to operate strategically and tactically within complex, matrixed organizations to achieve results.
Solid understanding of financial management principles, including budgeting, forecasting, and benefits realization.
Advanced competence in managing organizational complexity, including handling interdependencies, ambiguity, and competing priorities.
Expertise in stakeholder management, with a track record of balancing diverse interests, resolving conflicts, and fostering collaboration.
Thought leadership mindset, with the ability to influence strategic direction and promote continuous improvement and innovation.
Portfolio Management: Develop and implement strategic integrated plans for managing a diverse portfolio of projects, ensuring alignment with organizational objectives and adaptability to changing business needs.
Managing Complexity: Lead the orchestration of multiple, concurrent projects with varying degrees of complexity, interdependence, and risk profiles. Apply systems thinking to anticipate challenges, resolve issues, and ensure seamless execution across the portfolio.
Demand Intake: Conduct thorough analysis and evaluation of proposed P&O projects, prioritizing initiatives based on strategic value, resource availability, and risk assessment.
Stakeholder Management: Influence stakeholder attitudes, decisions, and actions for mutual benefit. Proactively engage with senior leaders, business partners, and cross-functional teams to understand their needs, manage expectations, and ensure alignment.
Risk Management: Identify, monitor, and manage risks across the P&O portfolio, developing mitigation strategies and contingency plans to ensure successful delivery.
Centre of Excellence Alignment: Form strong relationships with the Center of Excellence, ensuring adherence to governance, standards, and best practices across all Mars Global Services portfolios.
Resource Allocation & Budget Management: Advise on effective P&O resource allocations across projects to optimize performance and efficiency, while maintaining budgetary discipline and maximizing return on investment.
Reporting and Documentation: Prepare and present detailed reports and insights on P&O portfolio performance, leveraging data-driven analysis to inform strategic decisions and drive continuous improvement.
Thought Leadership: Champion innovative approaches, industry best practices, and emerging trends in portfolio management. Mentor and develop team members, fostering a culture of excellence, agility, and high performance.
What can you expect from Mars?Work with diverse and talented Associates, all guided by the Five Principles.
Join a purpose-driven company, where we’re striving to build the world we want tomorrow, today.
A strong focus on learning and development support from day one, including access to our in-house Mars University.
#hybrid
Skills Required
- A bachelor's degree is required
- At least 7-10 years of experience in Portfolio Management or related roles
- Portfolio Management Professional (PfMP) or similar certification
Mars Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Mars and has not been reviewed or approved by Mars.
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Healthcare Strength — The benefits package is positioned as comprehensive, with broad medical coverage and additional protections like life insurance and short- and long-term disability. Mental health support is emphasized, including free mental health services and wellbeing programming under initiatives such as Mars Be Well.
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Parental & Family Support — Paid parental leave is highlighted as market-leading in the U.S., with an example of 18 weeks fully paid for both parents. Additional family-related leave types such as sick time for caregiving and bereavement leave are also described as part of the overall package.
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Retirement Support — Retirement offerings are described as strong, including 401(k) matching (with a 6% match cited) and pension plans in some cases. The broader package also references retirement savings options and contributions aligned to local market practice, supporting long-term financial security.
Mars Insights
What We Do
For more than a century, Mars, Incorporated has been driven by the belief that the world we want tomorrow starts with how we do business today. This idea is at the center of who we have always been as a global, family-owned business. Today, Mars is transforming, innovating and evolving in ways that affirm our commitment to making a positive impact on the world around us. Across our diverse and expanding portfolio of confectionery, food, and petcare products and services, we employ 133,000 dedicated Associates who are all moving in the same direction: forward. With $40 billion in annual sales, we produce some of the world’s best-loved brands including DOVE®, EXTRA®, M&M’s®, MILKY WAY®, SNICKERS®, TWIX®, ORBIT®, PEDIGREE®, ROYAL CANIN®, SKITTLES®, WHISKAS®, COCOAVIA®, and 5™; and take care of half of the world’s pets through our pet health services AniCura, Banfield Pet Hospitals™, BluePearl®, Linnaeus, Pet Partners™, and VCA™. We know we can only be truly successful if our partners and the communities in which we operate prosper as well. The Mars Five Principles – Quality, Responsibility, Mutuality, Efficiency and Freedom – inspire our Associates to take action every day to help create a world tomorrow in which the planet, its people and pets can thrive.
