Extia

27 Jobs

About the Company

At Extia, IT consulting company, it's "First who, then what!"

1st Great Place To Work® France 2024 and Great Place To Work® Europe for the 7th consecutive year, we are convinced that well-being at work generates performance.

For 17 years, we have been working in many sectors: Digital, Finance, Telecoms, Health, Energy, Transport, etc. by supporting our customers in all phases of their technical assistance or fixed-price projects, in an agile way.

We believe that the success of our clients' projects depends on the professional and personal fulfillment of our employees, which is why we put people at the heart of our concerns. #Collaboration

Now, it is more than 2 500 Extians working in 25 agencies in France and abroad. You can find us in France (Paris, Lille, Nantes, Rennes, Orléans, Tours, Lyon, Aix-en-Provence, Bordeaux, Toulouse, Toulon, Sophia-Antipolis, Grenoble, Montpellier, La Rochelle, Strasbourg, Rouen), but also in Belgium (Brussels), Switzerland (Lausanne), Romania (Bucharest), Spain (Barcelona, Madrid), Portugal (Lisbon), Canada (Montreal) and Italy (Milan).

To be an Extian means evolving in an environment based on transparency, collaboration, intrapreneurship, continuous improvement and the pleasure of working together. #PositiveExperience

We are convinced that we must give our employees a positive experience! How about starting your own now?

Extia is recruiting join the adventure!
Discover our job offers & much more on extia-group.com/fr-en.

Listed Jobs

Company Name: Extia
Job Title: Ingénieur Mainframe (H/F)
Job Description: **Job Title:** Mainframe Engineer (M/F) **Role Summary:** Responsible for the full lifecycle of mainframe platforms within the infrastructure team, including design, build, operation, and continuous improvement. Ensures reliable, secure, and performant mainframe environments supporting business projects. **Expactations:** - Autonomous decision‑maker with confidence in delivering solutions. - Highly rigorous; pays attention to detail. - Committed to best practices and maintaining a solid, efficient operating framework. **Key Responsibilities:** - Participate in the design and evolution of mainframe infrastructure solutions. - Install, configure, and validate environments for project deployments. - Operate and maintain platforms in production (Run) to ensure availability and performance. - Provide ongoing support and drive continuous improvement initiatives. - Collaborate with cross‑functional teams to align infrastructure with business needs. **Required Skills:** - Strong knowledge of mainframe operating systems (e.g., z/OS) and related technologies. - Experience with mainframe hardware, storage, and networking concepts. - Proficiency in scripting/automation (e.g., JCL, REXX, Python) for deployment and monitoring. - Familiarity with ITIL/ITSM processes for incident, problem, and change management. - Ability to troubleshoot complex technical issues and implement corrective actions. - Excellent communication and teamwork skills in an international environment. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Systems, or related engineering field (or equivalent professional experience). - Preferred certifications: IBM Certified System Administrator – z/OS, ITIL Foundation, or comparable mainframe credentials.

Dijon, France

On site

10-11-2025

Company Name: Extia
Job Title: Business Manager / Ingénieur d'affaires Confirmé - H/F - PARIS
Job Description: **Job Title:** Senior Business Manager / Business Development Manager **Role Summary:** Manage sales and consulting teams in a growing IT and digital consultancy, focusing on strategic growth, client development, and stakeholder relations. **Expectations:** At least 1 year of combined sales and managerial experience in consulting (IT services, recruitment agencies, or consulting firms); leadership in team and sales management. **Key Responsibilities:** - Lead and develop teams of 20 consultants and a commercial team, ensuring performance goals. - Drive client development through proposals, direct client engagement, and recruitment of consultants. - Coach and mentor junior staff; oversee profit center strategy and weekly CRM reporting. - Negotiate high-level agreements, resolve crises, and execute complex sales strategies. - Manage consultant teams via mission tracking, annual evaluations, and tailored training plans. - Recruit consultants via sourcing, interviews, and financial proposals, in collaboration with HR. **Required Skills:** - Leadership in team and sales management. - Client account development and relationship management. - Negotiation and crisis resolution in high-stakes environments. - Strategic planning and CRM reporting proficiency. - Coaching and talent development for junior staff. **Required Education & Certifications:** Bachelor’s degree in business, engineering, or ICT; relevant industry certifications (e.g., PMP, Scrum, CRM tools) advantageous.

Company Name: Extia
Job Title: Business Manager / Ingénieur d'Affaires - PARIS - H/F
Job Description: **Job Title:** Business Manager / Business Development Engineer **Role Summary:** Business Manager partners with the commercial director to grow Extia’s client base in the IT and digital consulting sector. The role blends sales, account management, recruitment of technical consultants, and team leadership to deliver profitable engagements. **Expectations:** - Deliver sales, recruitment, and account management targets. - Act autonomously, maintain high client satisfaction and employee retention. - Work within a dynamic, fast‑paced environment. **Key Responsibilities:** 1. **Client Portfolio Development** - Prospect and secure new high‑value accounts. - Conduct needs assessments, craft proposals, and manage RFP responses. - Negotiate contracts, close deals, and ensure continued client engagement. 2. **Consultant Recruitment** - Interview IT engineers, evaluate technical skills and career goals. - Match talent to client projects, ensuring the right fit for both parties. 3. **Team Management** - Oversee a small team of consultants. - Monitor mission progress, coach performance, and conduct annual reviews. - Drive team motivation and retention in partnership with HR. **Required Skills:** - Proven sales acumen and hunger for business growth. - Strong communication, negotiation, and presentation skills. - Ability to assess technical competencies and match them with project needs. - Leadership and coaching capability, including conflict resolution. - Proactive, results‑driven, and adaptable to change. **Required Education & Certifications:** - Bachelor’s level or Master’s (BAC+5) degree from a business school, engineering school, or university. - 1–3 years of commercial or account‑management experience (internship acceptable). ---

Company Name: Extia
Job Title: Développeur C# / Java (H/F)
Job Description: Job title: C# / Java Developer Role Summary: Lead the development and refactoring of a financial performance portal. The role involves maintaining existing Java/Spring/Angular components while redesigning service architecture in Docker/Kubernetes with .NET Core C# and PostgreSQL. Work within an Agile (Kanban/Scrum) team to deliver functional enhancements, perform code reviews, write unit tests, and support production deployments. Expectations: - 5–10 years of professional software development experience. - Flawless bilingual proficiency in French and English. - Demonstrated experience in the finance IT domain. Key Responsibilities: - Implement new features and maintain existing code in Java (11–17), Spring, Angular, and C#/.NET Core. - Design and implement services in Docker/Kubernetes. - Build and integrate with PostgreSQL DocumentStore, including NoSQL features. - Participate in sprint planning, daily stand‑ups, and retrospectives. - Conduct code reviews and enforce coding standards. - Write comprehensive unit and integration tests. - Collaborate with product owners, business analysts, and stakeholders to refine requirements. - Provide technical support during testing and production releases. Required Skills: - Advanced Java with Spring framework (spring‑batch, spring‑cloud, spring‑data). - Proficient in .NET Core (v8) and C#. - Front‑end expertise: Angular 16+ and TypeScript. - RESTful API design. - SQL and PostgreSQL (DocumentStore, NoSQL extensions). - Git and branching strategies. - Experience with Docker and Kubernetes. - Strong software craftsmanship principles. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or related field. - Relevant certifications (Java SE, Spring, .NET, Kubernetes) are a plus.

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