Portfolio Manager

Tangram Flex

Tangram Flex

Sales & Business Development
Dayton, OH, USA
Posted on Feb 14, 2026

Tangram Flex is seeking a Portfolio Manager [PfM] with a minimum of 8 years of experience in program management and/or technical oversight of defense projects. This position is located in Dayton, Ohio.

What We Do: At Tangram Flex, we provide engineering products, solutions, and services that enable innovators to design, develop, verify, and deliver software advancements to critical systems faster. By transforming how our nation solves complex software challenges, our work accelerates innovation that strengthens national security.

OVERVIEW /

We are seeking an experienced Portfolio Manager to lead and grow our software and systems engineering business lines within the defense and national security market. This role goes beyond traditional program management by blending the technical depth of a Software Solutions Architect with the growth focus of a Business Development Manager and the customer-facing strategic mindset of a Portfolio Manager. This individual serves as a bridge between customer needs and technical delivery—shaping solutions, supporting capture and growth activities, and translating requirements into executable programs. Tangram Portfolio Managers shape technically sound solutions while aligning them to customer missions, market opportunities, and long-term portfolio strategy. They work closely with customers, sales, and engineering to identify and mature opportunities, define architectures and value propositions, prioritize investments across programs, and ensure solutions scale and reuse effectively across the portfolio. By balancing technical vision, pipeline growth, and portfolio health, this role drives sustainable business outcomes while ensuring program performance consistency, risk management, and return on investment across multiple initiatives.

POSITION DESCRIPTION /

Tangram Portfolio Managers perform at the intersection of “what the customer needs” and “what can Tangram deliver”, and are responsible for ensuring portfolio alignment with organizational strategy, contract requirements, and customer mission objectives. This position requires close collaboration with government customers, primes/subcontractors, and internal stakeholders to balance strategy, growth, and execution objectives. This role requires a strong understanding of software engineering concepts, systems integration, and digital engineering practices to effectively guide cross-functional teams in the delivery of complex technical solutions. PfM’s maintain a focus on, and ensure:

  • Establishing, building, and deepening relationships with Portfolio customers to ensure performance is customer-focused
  • Measurable growth of Portfolio through securing of follow on work.
  • Successful execution of the Portfolio’s Programs based on contractual commitments (technical delivery on schedule, on budget);
  • Regular communication of Portfolio Performance to Tangram leadership (and other stakeholders, as needed).

JOB RESPONSIBILITIES /

Primary Responsibilities:

  • Customer Relationship Ownership
    • Own the complete customer perspective and ensure shared understanding and alignment across the portfolio team
    • Build and maintain long-term customer relationships that drive repeat business and expansion opportunities
    • Communicate complex technical concepts clearly and effectively to both business and technical stakeholders
    • Partner with customers to understand business objectives, technical requirements, constraints, and success criteria
    • Listen to, understand, and translate customer needs into actionable guidance for engineering, product management, sales/growth, and other internal teams
    • Serve as the primary customer-facing strategic engineering and solutioning point of contact
    • Act as a trusted technical advisor and thought partner, articulating project requirements, setting expectations, and collaborating with internal teams to meet commitments
    • Manage customer expectations by clearly communicating capabilities, limitations, risks, and tradeoffs
    • Proactively resolve customer issues in a manner consistent with the company’s mission, values, and financial objectives
  • Portfolio Leadership
    • Own the execution success and growth of a portfolio of programs aligned to a specific customer or market space
    • Translate ambiguous or high-level business and technical needs into clear, actionable requirements
    • Participate in the design of end-to-end solution architectures that align with customer objectives, budgets, schedules, and delivery constraints
    • Ensure coordination and collaboration between program level resources (ie. Program Managers, Program Technical Leads, Program Engineers/Performers) to ensure successful Portfolio level execution
    • Evaluate, select, and recommend appropriate technologies, platforms, and integration approaches
    • Ensure solutions are scalable, secure, compliant, supportable, and aligned with architectural best practices
    • Document solution architectures, assumptions, risks, and tradeoffs in a manner accessible to both technical and non-technical stakeholders
    • Maintain deep understanding of Tangram Flex products and their application within customer environments
    • Collaborate closely with engineering, product, and delivery teams to ensure solutions are feasible, buildable, and operationally sound
    • Clarify requirements, resolve technical questions, and adapt designs as constraints, risks, or priorities evolve
    • Provide leadership and guidance through early implementation phases or during handoff to delivery teams
  • Business Growth Activities
    • Partner with business development teams to identify, qualify, and capture follow-on work and new opportunities within the portfolio
    • Lead capture management activities associated with the portfolio, including customer engagement, competitive assessments, teaming strategies, solution shaping, and proposal development support.
    • Support bid and proposal efforts by contributing to technical volumes, management approaches, and pricing strategies where appropriate.
    • Ensure smooth handoff between capture process and program initiation prior to and during a successful award;
    • Identifying opportunities to expand business with customers and participate in developing statements of work and proposals to win additional follow on work with clients.
    • Help shape win themes by tying technical capabilities to customer value
    • Act as a trusted technical advisor to the customer during pre-sales and delivery discussions

DESIRED SKILLS & EXPERIENCE/

Required Skills:

  • Bachelor’s degree within any of these disciplines, Business, Engineering,
    Computer Science, or Operations Management, equivalent successful experience in a similar industry role.
  • Minimum of 8 years of experience managing, supporting, or leading technical programs in a Federal Government environment (ideally software focused).
  • Strong understanding of software engineering concepts, specifically DoD/DoW software and systems engineering environments including software development life cycle (SDLC), agile practices, and systems integration.
  • Demonstrated experience growing the scope and or value of programs or portfolios organically within the DoD/DoW market .
  • Possess a current/or recent U.S. Government Security Clearance or the ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
  • Ability to work collaboratively across teams and communicate effectively.
  • Understanding of Government and Industry program/project management tasks and execution methods.
  • Ability to manage multiple complex, multidisciplinary tasks and projects.
  • Experience working directly with Customers to capture, understand, and meet requirements, build relationships, articulate and provide customer .
  • Excellent time and resource management skills.
  • Proficient with MS Office and Google Suite products.
  • Team player with demonstrated ability to lead and/or support co-workers to success.
  • Demonstrated competency in written and oral communication.
  • Familiarity with Federal acquisition processes, contracting mechanisms, and compliance requirements.
  • Reside within the proximity of Dayton, Ohio

Preferred:

  • Prior experience in capture management or business development within the defense sector.
  • Existing U.S. Government Security Clearance.

Physical Requirements:

  • Ability to travel by air, car, or other transportation methods.
  • Prolonged periods of sitting at a desk and working on a computer (up to 8 hours/day).
  • Ability to lift and carry lightweight items (e.g., laptops, demo equipment, marketing materials) up to 25 lbs.
  • Frequent use of hands and fingers for typing, using a mouse, writing, and handling equipment.
  • Visual acuity to read detailed technical documents, view computer screens, and operate software systems.
  • Auditory ability to participate in meetings, customer demos, and conference calls, including in potentially noisy environments (e.g., trade shows or military facilities).
  • Mobility to move between office spaces, customer sites, conference venues, and manufacturing or lab environments.
  • Flexibility to adapt to varying work environments (e.g., corporate offices, government buildings, industrial or lab spaces).

We are committed to staying rooted in our core value of Team First. For that reason, we've designed a highly competitive benefits program and supportive work environment to engage employees and their families.

  • Hybrid work options
  • Flexible Working Hours, 10 paid holidays, and generous Paid Time Off
  • Employer Paid Medical, Dental, Vision and Short and Long Term Disability Insurance
  • Access to group rating plans for Life Insurance
  • Employer contribution to Health Savings Account
  • Competitive 401K employer match
  • A work environment and culture that fosters transparency, collaboration and well-being

Tangram Flex is an Equal Opportunity Employer, and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its application procedures and in accordance with federal law. All qualified candidates will receive consideration for employment based on business needs, job requirements, and individual qualifications.

EEO/AA Vet/Disabled Employer/ and E-Verify