Job Description

Lumen is the trusted network for AI. We’re transforming how businesses connect, secure, and scale in an AI-driven world.

By connecting people, data, and applications quickly, securely, and effortlessly, we help organizations move faster and unlock what’s next.

At Lumen, people power progress. Our culture is built on teamwork, trust, and transparency, giving you the flexibility, support, and opportunity to make a lasting impact. We’re looking for top-tier talent ready to take on the challenge. Join us in building the future.

The Role

The Acceleration & Growth Team (AGT) is Lumen’s commercial organization, responsible for driving revenue growth and delivering differentiated customer outcomes across Lumen’s segments. AGT brings together sales, customer success, partner ecosystems, and transformation initiatives to modernize gotomarket motions, improve productivity, and scale growth through disciplined execution. The organization operates with a strong focus on operational rigor, customer impact, and continuous transformation to support Lumen’s longterm growth strategy

Be on the forefront of our future - embark on your exciting journey with Lumen’s AGT today to continue digitally connecting the world and shaping the future!

The Senior Lead, Portfolio Management is the most senior individualcontributor role within the Polish-based AGT Portfolio Management team, accountable for the highcomplexity modeling, integrated investment and workforce analytics, and portfoliolevel decision frameworks across AGT and LTO initiatives.

This role serves as the primary analytical authority and strategic thought partner to the Sr. Manager, Portfolio Management. It owns enterprisegrade modeling, scenario analysis, and valuecreation logic used to inform leadership decisions on investment prioritization, workforce strategy, productivity, and execution tradeoffs.

This role is structured for 11am to 7pm or 12pm to 8pm CET working hours and is a critical pillar of AGT’s Poland‑based portfolio management team, designed to scale execution, strengthen the analytical decision-making processes, and reinforce AGT’s operating rhythm.

Location Remote or Hybrid

Benefits: private health care (Medicover), Multisport card/Multicafeteria, lunchpass card, life insurance (voluntary), PPK (voluntary), English & Polish classes, working abroad policy, CSBF (voluntary), Wellness Day

The Main Responsibilities

Enterprise‑Level Portfolio & Value Modeling

• Own the design and governance of advanced, integrated models across Headcount & workforce productivity, investment and run‑rate economics, Cost‑to‑serve, ROI as well as strategic initiatives’ value realization.
• Build multi‑variable, scenario‑based models to evaluate strategic options, sensitivities, risks, and tradeoffs.
• Translate modeling outputs into clear recommendations, not just analysis.

AGT & LTO Modeling Coordination

• Serve as the central owner and coordinator of modeling approaches across AGT initiatives.
• Define modeling standards, assumptions, and methodologies to ensure consistency, comparability, and credibility.
• Partner with LTO office, AGT TO, and AGT leaders to align on value measurement frameworks.
• Review, challenge, and elevate initiative‑level models produced across the organization.

Strategic Decision Support (Sr. Manager Right‑Hand Role)

• Act as the Sr. Manager’s primary analytical partner on: Portfolio prioritization and sequencing, Workforce and location strategy, productivity and cost optimization, pace and phasing of transformation initiatives.
• Proactively surface insights, risks, and structural issues before they appear in execution metrics.
• Support leadership forums with decision‑ready narratives, not operational detail.

Portfolio Synthesis & Executive Storytelling

• Synthesize insights across AGT and LTO initiatives into cohesive portfolio level stories.
• Frame executive discussions around: what is driving value, where value is at risk, what tradeoffs leadership must actively choose.
• Elevate portfolio conversations from reporting to strategic alignment and action.

Analytical Standards, Quality & Capability Elevation

• Establish and evolve analytical frameworks, modeling templates, and quality standards for AGT Portfolio Management.
• Serve as the final quality bar for complex analyses used in leadership decision-making.
• Provide mentorship and technical guidance (without people management) to Lead and Analyst.
• Continuously raise the analytical maturity and credibility of the Poland based portfolio mgmt team.

What We Look For in a Candidate

Required Qualifications

• 10+ years of experience in portfolio management, transformation, strategy, finance, or consulting.
• Deep expertise in financial, HC, productivity, GTM, business analytics and ROI modeling, as well as Cost-to-Serve and coverage models,
• Proven ability to operate at enterprise and executive levels.
• Strong judgment navigating ambiguity, imperfect data, and competing priorities, with strong strategic mindset and problem-solving skills and ability to think critically.
• Advanced modeling skills (Excel and related tools); comfort building and evolving complex models.
• Strong Power Point and presentation skills to translate complex analysis into executive-ready storyline
• Exceptional executive‑ready communication and influence skills.
• A strong communicator in English with business partnering background and a proven track record at building relationships with stakeholders. Previous work with international corporations is a plus.
• A strong interpersonal, time management and facilitation skills with proven ability to work in a fast-paced, high-volume environment.

Preferred Qualifications

• Experience supporting large‑scale enterprise transformation programs.
• Background in management consulting, corporate strategy, investment banking or advanced FP&A.
• Familiarity with TechCo / Telco operating models, ideally within Cloud Service Provider or Data Center industries.
• Advanced modeling techniques including Monte Carlo simulation, scenario/sensitivity analysis.
• Valuation modeling knowledge such as NPV, DCF, market modeling.
• Experience with XaaS and Consumption-based monetization models, ARR, CLV, CAC.

Requisition #: 341638

The above job definition information has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Job duties and responsibilities are subject to change based on changing business needs and conditions.

We are committed to making reasonable adjustments to the recruitment process for people with disabilities. If there is anything we can do to help you, please let us know.

We are committed to providing equal employment opportunities to all persons regardless of race, religion, colour, sex, age, disability or sexual orientation or any other status protected by local or national law. We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.

Join a diverse and inclusive culture where everyone is welcome and every voice is heard. A culture where people feel they belong, can be themselves and feel inspired to share different perspectives. Our culture, shared values and behaviours truly make Lumen a fantastic place to work and provides an environment where people can genuinely thrive.

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