Senior HR Manager (m/f/d)

Rosenxt ist eine zukunftsorientierte Technologiegruppe - wir sind visionäre Architekten des Fortschritts mit Jahrzehnten an Ingenieurs-Exzellenz. Als ein privat geführter globaler Partner mit mehr als 740 Mitarbeitern schauen wir weit in die Zukunft, setzen auf Langfristigkeit und machen so aus Chancen erfolgreiche Geschäftsfelder. Wir sind technikbegeistert durch und durch, tauchen tief in die neuesten Technologien ein. Diese Expertise in verschiedensten Technologiebereichen wie Sensoren, autonome Robotik, KI oder fortschrittliche Materialien und unser stark ausgeprägter F&E-Mindset ermöglicht es uns, hochinnovative Produkte und Dienstleistungen für Kunden in anspruchsvollsten Umgebungen zu entwickeln, wie dem Unterwasserbereich, der Industrie, dem Bereich der erneuerbaren Energien oder dem Bereich der Anlagensicherheit in der Wasser- und Energieversorgung.

Rosenxt is a forward-thinking technology group — we are visionary architects of progress with 45 years of engineering excellence.

As a privately owned global partner, we look far beyond tomorrow, are committed to the long-term and thus turning opportunities into successful ventures. We are tech enthusiasts through and through, diving deep into the latest technologies. This expertise in various technology fields, such as sensors, autonomous robotic, AI or advanced materials and our strong R&D mindset allows us to develop highly innovative products and services for customer in most challenging environments such as subsea, industrial, renewables, or the integrity of water and energy supply. Our purpose goes beyond pure business; it's about creating progress and sustainable value — for our customers, our partners, and society at large.

At Rosenxt, you'll help deliver advanced technological services that safeguard critical infrastructure and optimize the performance of energy and industrial assets in some of the world's most demanding environments.

If you're looking for meaningful work, professional growth, and the opportunity to make a real impact, Rosenxt offers a place where you can help shape what's next.

Our Houston location is expanding capabilities in water pipeline integrity, subsea and offshore operations, and upstream production optimization for the oil and gas industry.

In Rosenxt environment, collaboration, service orientation, and solution-driven partnership are core to how we work. Our ongoing organic growth results in career opportunities and gives our employees chances for further development and added experience.

You'll join a team focused on delivering advanced services, reliable solutions, and operational excellence for critical infrastructure and energy assets. Working alongside experienced professionals across multiple disciplines, you'll contribute to projects that create measurable value for customers while helping build Rosenxt's growing presence in the U.S. market.

As a Senior HR Manager, you will support a defined area within the Rosenxt Group and advise and coach managers and colleagues in all HR-related matters. In addition, you will translate business priorities into effective people strategies, and drive initiatives across the full HR lifecycle – from workforce planning and talent management to engagement, change and organizational development. You will identify the HR processes and services required and ensure they are delivered in close collaboration with key stakeholders.

• Implement the global strategy in alignment with company objectives.
• Translate business and workforce plans into targeted HR initiatives and support the implementation of global and local HR projects, systems, and process improvements.
• Provide day-to-day support and act as a trusted advisor to managers on all operational and strategic HR matters across the employee lifecycle, including complex employee relations cases, investigations, and conflict resolution, ensuring fair, compliant, and business-oriented solutions.
• Ensure HR is seen as a strategic partner to management, involved in the decision-making process at an early stage.
• Ensure effective management of key cyclical HR processes, such as Performance Management, Talent Management, Career Development and Compensation & Benefits projects in line with local and group guidelines.
• Lead and coach managers on performance management, feedback, and development conversations, ensuring a consistent, growth‑oriented performance culture.
• Act as a culture ambassador, role‑modeling our values and helping leaders build inclusive, diverse and psychologically safe teams.
• Drive employee engagement and retention by identifying key drivers, implementing required targeted programs, and measuring impact
• Own and drive the local recruiting strategy by defining job ad profiles, advising on sourcing channels, and ensuring a high-quality candidate experience, while monitoring recruiting funnels and time-to-fill, identifying bottlenecks, and strengthening hiring capabilities in close collaboration with hiring managers and the global Talent Acquisition team.
• Assess and anticipate HR related needs, communicate needs proactively within the HR team and business management.
• Build a strong network across the HR function to deliver value-added service to management and employees that reflects the business objectives of the organization.
• Identification and proactive delivery of innovative HR solutions, services, and local guidelines for relevant business areas across locations in line with Company HR strategy.
• Ensure compliance with federal, state and local employment laws and internal policies, consult with external/internal legal advisors as required.
• Support and drive the implementation of group and local HR projects, systems, procedures or process improvements as required.
• Active support and execution of individual HR measures as well as change management programs.
• Ensure smooth payroll processing through an external service provider.

In our Matrix organization the function is functionally positioned with a direct reporting line to the Regional Manager (VP) and a functional reporting line into the Central HR team. The function acts as a key interface, ensuring close cooperation, business alignment, and people-related support across organizational boundaries.

To join the Rosenxt family, you will demonstrate strong organizational and time management skills. Moreover, you should bring with you:

Education/Experience:

• Bachelor’s degree in Human Resources, Business Administration, Business Psychology or a related field; a Master’s degree and/or HR certification (e.g. SHRM‑CP / SHRM‑SCP / PHR / SPHR) is a plus.
• Proven professional experience as an HR Business Partner in an international, technical environment.
• 10+ years of progressive experience in HR, with at least several years in an HR Business Partner or comparable strategic HR role.
• Proven track record of partnering with senior leaders and managing a broad HR portfolio (talent, OD, employee relations, engagement, change).
• Strong knowledge of U.S. labour, tax and social security law and HR best practice; experience in Texas and multi‑site environments is highly beneficial.
• Flexibility for travel interstate and international (mainly Europe) on a periodic basis
• Has previously worked in the energy sector, ideally for a service provider

Desirable Skills:

• A collaborative team-player with strong social and intercultural competence.
• Fast and independent decision-making ability combined with a strong service orientation.
• A strong sense of responsibility, a commitment to quality and excellent attention to detail.
• Assertive, with the ability to resolve conflict and effectively facilitate and supervise.
• A high level of commitment, self-motivation, and a proactive approach to work.
• Demonstrated ability to navigate complex, matrixed organizations and influence stakeholders at all levels.
• Good knowledge of MS Office applications and HCM systems; experience with Workday and ADP is an advantage.
• Fluent English skills, both written and spoken, are required. Ideally, you also bring proficiency in additional languages; Spanish is particularly preferred.

Rosenxt offers an exceptional working environment, salary commensurate with experience and incredible benefits package.

Benefits include:

• 401(k) matching up to 5%, immediately vested
• Generous health benefits, effective immediately
• Medical (PPO, HSA), Dental, Vision, Flexible Spending Accounts
• Flexible work schedule (Friday half-days off)
• Incredible work-life balance and flexibility
• Immediate Vacation time available, Holidays, Paid Time Off
• Travel to Europe to work with Rosenxt colleagues
• Employee assistance program
• Life insurance
• Parental leave
• Professional development assistance
• Referral program
• Relocation assistance
• Tuition reimbursement

We strive to create a supportive and rewarding environment so everyone can excel. As part of our international team, you can make a lasting contribution.

While we offer flexibility in working hours and the option for occasional remote work, this role is primarily office‑based to foster close collaboration, strong relationships, and an effective team culture from the outset.