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Senior Manager Cryptography

Posted 24 Mar 2026
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Work experience
8 to 12 years
Full-time / part-time
Full-time
Job function
Degree level
Required language
English (Fluent)

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Leading the transition to quantum‑resistant cryptography to future‑proof client data. At Deloitte.

Benefits

  • You will receive a profit-sharing bonus, on top of your fixed salary.
  • Continue professional growth by joining our development program.
  • A work-from-home office setup allowance to make sure you have everything you need for an ergonomically designed workstation, plus an internet allowance.
  • Work part-time (32 hours a week) or full-time (40 hours a week).

What’s in it for you?

  • In addition to a competitive salary, a share in our profits.
  • Great growth opportunities, depending on your ambitions and performance.
  • A development program that helps you keep growing.
  • Flexible working hours and the opportunity to work from home.
  • 26 days of paid holiday annually, and the opportunity to purchase 15 additional holiday days annually.
  • The opportunity to take a month of unpaid leave once annually.
  • The possibility to go on sabbatical for at least 2 months.
  • A good mobility scheme: choice between a company car with a fuel pass for Europe, the Mobility+ option, a gross cash option with which you arrange all your own transport, or a public transport annual subscription.
  • An iPhone, which is also for personal use.
  • A laptop with a 4G connection.
  • A good pension scheme.
  • An opportunity to take part in our collective health insurance scheme.
  • An opportunity to benefit from tax-efficient facilities, such as company fitness and a bicycle scheme.

Qualifications

  • Minimum of 8 years professional experience with a focus on security and cryptography.
  • Demonstrable experience leading client engagements and delivering end to end solutions.
  • Proven business development experience: pipeline generation, bid management, commercial negotiation and closing deals.
  • People leadership: hiring, performance management, mentoring and team scaling.
  • Understanding of cryptographic algorithms, key management, PKI, HSMs and post-quantum cryptography concepts.
  • Must hold a valid passport issued by an EU/EEA country. Dutch language skills are desirable.

What impact will you make?

Deloitte is seeking an experienced Senior Manager in Cryptography to lead and grow our cryptography capability, drive business development and commercial activities, and lead delivery of complex client engagements. You will be responsible for shaping our cryptography proposition, winning and delivering engagements across sectors, mentoring a team of technical specialists and building sustainable revenue and talent pipelines.

How do you do this?

  • Lead large and complex (quantum) cryptography projects, providing strategic direction and overseeing multiple project teams.
  • Develop new business opportunities and deepen client relationships to strengthen Deloitte’s position as market leader in post-quantum cryptography.
  • Contribute to thought leadership in the cryptography field and actively participate in relevant networks and conferences.
  • Effectively manage diverse teams in client engagements and support individuals in developing their industry knowledge and careers as a role model.
  • Manage multiple clients and collaborate with other experts across Deloitte globally.
  • Build and maintain long‑term relationships with a range of stakeholders.

Deloitte offers professional services in the areas of Audit & Assurance, Technology & Transformation, Tax & Legal, Support, and Strategy, Risk & Transaction Advisory. We help clients navigate risks and deliver transformational change, future-proofing businesses while creating positive progress. At Deloitte, you’ll be supported to achieve your ambitions and we’ll make sure you never stop growing. Connect your future to Deloitte and let’s make progress together!

Management Consulting
Rotterdam
Active in 150 countries
7,000 employees
50% men - 50% women
Average age is 32 years