Building & Construction

Our sector group Building & Construction brings together the know-how of experienced ISG consultants with pertinent industry expertise and excellent networks in construction and real estate.

We use our expertise to support national and international partners in their search for professionals and executives, using innovative methods in search and selection. 

Working with our clients, we define key requirements and design an effective strategy for finding suitable candidates, securing a long-term benefit for our costumers. Headhunting, the active approach to the recruitment market, is a particularly important and promising instrument we use.

The positive development of the industry, its growth, and the associated challenge posed by a shortage of specialists, require swift and efficient processes in personnel search. Making good use of our long-standing experience in recruiting, our focus on headhunting, and our excellent market knowledge and networks within the industry, we guarantee success – nationally and internationally.


Construction (contracting and subcontracting businesses):

Civil engineering surface:

  • Managing Director
  • Business Unit Manager
  • Head of Construction Management
  • Project Manager Major Constructions
  • Construction Manager Residential Projects
  • Head of Public Building Inspection
  • Civil Engineer
  • BIM Engineer
  • Structural Engineer
  • Estimator
  • Investment Controlling
  • Technical Buyer
  • Project Engineering EAST
  • Product Manager Building Technology
  • Product Manager CEE
  • Quality Manager

Civil engineering underground:

  • Project Manager / Technical Consulting
  • Group Leader
  • Head of Public Building Inspection Bridge Construction
  • Project Management Traffic Route Construction
  • Division Management Civil Engineering
  • Project Manager Railway Planning
  • Project Manager Road Design
  • Project Manager Tunnel Construction
  • Engineer (constructive engineering)
  • Engineering draftsman / CAD planner
  • Structural Engineer
  • Estimator
  • Project Financing
  • Constructional Engineer
  • Technician Road Design
  • Application Technician Pipeline Construction

Real estate industry:

  • Line of Business Manager Real Estate
  • Senior Manager Real Estate
  • Managing Director
  • Senior Project Manager – Real Estate Development
  • Project Manager Technology
  • Technical management
  • Construction Manager Residential Projects
  • Architect Residential Projects
  • Building technician
  • Employees Expansion – Locations – Real Estate
  • Employees Technology & Facility Management
  • Employees Facility Services
  • Commercial project development
  • Asset management
  • Property management
  • Real estate Appraisal
  • Property accounting / Team Manager Property Accounting
  • Estate agent

We combine our expertise and synergies across national borders to provide you with the best possible support in recruiting. Benefit from our assistance and get in touch with one of our consultants:



Meet the team behind Building & Construction

Mag. Sabrina Kriechbaum

Executive Search


Sabrina Kriechbaum graduated in Socio-economics at the Vienna University of Economics. The study is a combination of Economics and Sociology with a specialization in Finance, international organization and personnel management. In order to deepen her theoretical knowledge, Sabrina Kriechbaum was employed at Bank Austria, as well as L’Oreal in Human Resources Management. In July 2006, Sabrina Kriechbaum started at ISG Personalmanagement GmbH as a consultant and she now works for a variety of national and international companies in different industries such as financial services, commerce, production etc.


  • Search and selection of specialists
  • Search and selection of executives with a focus on headhunting
  • Design and implementation of recruiting and promotion assessment centers
  • Coaching

Since early 2009, Sabrina Kriechbaum has been an integral part of the executive search team in the direct approach of managers and professionals within the financial services industry and she now holds the position of senior consultant.

Sabrina Kriechbaum supports her customers in the recruitment process for all related positions.
Her motivation is a professional service for both clients and candidates. Her work style is characterized by trust, discretion, flexibility and quality.

Motto: Carpe Diem”


Judit Gelencsér

Senior Consultant


Judit Gelencsér graduated at ELTE Teachers Training College, Budapest, at the Faculty of English-Russian. In order to gain some business knowledge, she completed her economics studies at the College of Foreign Trade, Budapest.

After spending some time in foreign trade field, she joined an Austrian consulting company, where she spent 11 years as a Consultant and Senior Consultant.

In October 2010 Judit Gelencsér changed and joined ISG as a Senior Consultant, in 2011 she successfully obtained ISG International Consultant Certification, and now she works in the Executive Search Division for a variety of international companies in different industries and on cross-boarding, regional projects and supporting international clients in several countries, regionally too.

She supports with great success her national and international partners in different fields.


FMCG, Food, Agriculture, Production, Building Industries, Technical Commercial companies, Oil Industry, Automotive Industry, Energetic market, Banks, Financial companies, BIG4.

Her personal specialities include:

  • Executive Search, Headhunting, Direct Search (national and international)
  • Account management – liaising with clients to understand recruitment needs, developing and maintaining strong working relationships with HR Business Partners, Hiring Managers and Talent Acquisition teams to hire “best in class” talent
  • Board Services and Executive Consulting
  • Management Diagnostics
  • Personnel Search & Selection
  • Business Development
  • Assessment / Development Centre
  • Potential Analysis, Talent Management
  • Career Consultancy, Outplacement
  • Market Screening and Scope


Motto: “If you can dream it, you can even realize it.”


Peter Pliesovsky

Managing Director


Mr. Peter Pliesovsky is a Managing Director and Principal Consultant of ISG spol. s r.o., Slovakia.
He is also a Managing Partner of ISG´s Automotive Sector Group. He has proven success in the search & selection assignments of executive staff and high-profile specialists for leading manufacturers, suppliers or engineering-partners in the automotive sector – with a focus on Central & Eastern Europe.

Mr. Pliesovsky is a senior HR-professional, with more than 20 years of experience in a corporate human resources area (in HR areas including search and selection of employees, their training and development, compensations & benefits policies) and in HR-consulting (executive search, board services, specialists recruitment & various HR-development projects).

His strong business background and profound knowledge of the marketplace in Western Europe, Slovakia and CEE countries make him an experienced professional in cross-regional projects in Europe, conducting numerous successful executive search projects for renowned international companies across sectors in Slovakia an in the CEE region.


  • University of Economics, Bratislava
  • Major: International Business


Slovak, English, German, Hungarian, Russian

Motto: „The difference between a successful person and others is not a lack of strenght, not a lack of knowledge, but rather in a lack of will“


Ing. Hans Georg Stadlober

Senior Consultant


After the studies at the technical collage HTBL Engineering / Foundry Technology in Vienna he started his career at a well-known company in the metal industry (Hutter & Schantz), where he passed different departments, starting as technical designer. Finally he became a member of the sales team. As a sales representative of the company he visited architects, designer, building companies and private clients on order to make business with them.

Through a career move into an international company in the steel industry (Bekaert), he developed within ten years from sales representative to the local CEO of Austria. His function was to led the CEE region as a sales manager of building products. He was responsible for the selection and training of his employees in this region. During eight years he realized the objectives together with his team with great success. Reporting and participation in global processes for developing the division took on.

Hans Georg Stadlober thus spent two years as a member of the central team at the headquarter in Belgium. As a marketing specialist, he developed new services and products and strengthened further development and communication within the division worldwide. Recently, he took during three years the position as CEO of a major German steel group (HOESCH Bausysteme, a group member of ThyssenKruppAG) . As head of the lead company in the CEE region, he was responsible for the different sales offices and two production facilities.

Ongoing internal and external training accompanied him throughout his professional career. He has extensive experience with the function of different positions in particular in international production companies, construction and related trades. The tools of modern business management he is well known as a critical user. One of his key success factors is the recognition of the importance of motivated, qualified employees how to achieve this status and to reinforce them.

Early 2011, he took the decision to join ISG. His aim is, to use his knowledge in order to serve companies and candidates in a professional manner, to educate and train people as an executive can.


Mag. Erwin Ortner, MBA

Managing Partner


Completed his undergraduate degree in business administration at the Johannes Kepler University of Linz with a focus on marketing and accounting, and his postgraduate education at the LIMAK Linz with an MBA in General Management. He has a total of 26 years of professional experience in technical and management positions in Austrian and international companies in the sectors of financial auditing services, food industry, logistics, and the petroleum industry. Since 2004 he has been a freelance company and personnel consultant, and since 2008 an independent partner and consultant for ISG Personnel Management GmbH.

Erwin Ortner can inform you about the following focuses of his personnel consulting work:


  • Machine and factory construction
  • Electro-technology / electronics, automation, robotics
  • Pharmaceuticals / chemicals / plastics
  • Food industry
  • Building materials industry and trade
  • Logistics
  • Banking and insurance
  • Legal and tax consulting, auditing
  • Research / education / science


  • TECHNOLOGY (mechanical, electro-technology, automation, mechatronics, process engineering, environmental engineering, quality management, chemistry, renewable energy, production-oriented managers with other educational and training focuses)
  • DISTRIBUTION (mainly in the business-to-business technical environment)
  • HR roles with different key tasks and responsibilities

Walter Raml

Managing Partner


Walter Raml is a partner of ISG GmbH in Weiden (Northern Bavaria / Oberpfalz).
After training to become an industrial sales representative at the company Hofbauer Lead Crystal (manufacturing industry), he worked another 10 years for this enterprise in the personnel department performing over time all roles up to deputy staff director.

In 1992, Walter Raml switched to become the auditing department head of the automotive company “Auto Parts Unger.” Because of his long and profound experience in human resources, management soon drew him back to the personnel area again. Here he supervised the very intense expansion with up to 50 new stores per year, as well as numerous restructurings, improvements and changes.

From 1998 he worked as head of personnel and was responsible for the management of the central administration and personnel management of the European companies in Austria, Czech Republic, Italy, the Netherlands and Switzerland. In the Austrian company Walter Raml was also managing director.

As an additional qualification he acquired from 2000 to 2002 training in human resource management.

His experience, knowledge and potential extend across all of personnel management: from payroll and salary calculation, to the application of payroll and time management software, to the design of efficient HR processes, to the concrete implementation of individual measures with workshops and individual coaching.
His approach is a holistic strategy, which is always practical and oriented to the specific needs of the customer.

Areas of Expertise:

  • Personnel management consulting from one source – a competent partner for operational and strategic human resource management
  • Implementation and optimization of operational personnel management processes and tools
  • Guidance of change processes
  • Interim Management
  • Coaching of experts and executives
  • Recruitment & selection of specialists and executives
  • Cross-border monitoring of HR processes.

Motto: “I do my job because it provides me pleasure, and I have no reason to take this pleasure away from myself.” Dr. Hans Riegel (Haribo)


Mag. Christoph Leitner

Managing Partner


Christoph Leitner studied economics at the Johannes KeplerUniversity Linz in the core areas of Personalwirtschaftt,controlling, corporate development and legal affairs. In addition, he completed in addition to numerous otherembodiments, the certification examinations (master exams) for the business of temporary employment and recruitmentas well as the travel agency industryhe is alsoakkredidierter trainer in adult education after SystemCert.

Was he responsible for the start of his career for the travelmanagement to its customers as a tourism and businesstravel managers (Quote: had to take the chance in a largetravel group walkto look at the world and to managebetween customers, airlines, hotels and travel agencies andconvey what had made huge fun ), he has beenmore than 10 years of HR and management consultant and is a service in advising companies and job and career guide foremployees and applicants.

There is always an uplifting experience with his customers to be successful, to generate solutions and to find the right fit with the appropriate staff. We are here and why we ask our customers!”

Mag Leitner is managing partner of the ISG Personalmanagement GmbH Your partner for quality time andwork, personnel consultancy, human resource development and executive search.

Motto: Dissatisfaction is the beginning of the success


Mag. Alexandra Bugram

Managing Partner



  • University of Economics Vienna
  • Field of specialisation –Human Resources


  • ISG Managing Partner since 2002
  • HR-Management of an manufacturing company
  • Head of HR of an international electronic group


  • Recruiting and Personnel Development
  • in particular presentation and implementation of assessment centers


  • Head of sales CEE
  • Country Manager Switzerland
  • Country Manager Austria
  • General Manager Czech Republic
  • General Manager Hungary
  • Plant Management Bulgaria
  • Assistant to Head of Sales Bulgaria

Motto: “Always have an open ear for all people.”


Paula Farias

Managing Partner


Human Resources Diploma, Psychologyst with postgraduate studies in Organizational Psychology. Coach certified for the International Coaching Federation. Member of Mujeres Lideres de las Américas.

During +15 years she has worked in Human Resources in with several international companies in LATAM & Europe. She has been working in sectors such as Engineering, Energy, IT, Retail, Logistics, Pharma & Services.

Since 2018 she has been collaborating in outplacement services and coaching. Nowadays, she is working with universities and companies giving talks and trainings.

She enjoys working with people and looking for best fit for clients and candidates. Her knowledge in different sectors and geographic zones has made a big support for clients with offices worldwide.


Michael Zirbes

Managing Partner


Michael Zirbes is Managing Partner at ISG Personalmanagement Deutschland GmbH in Osnabrück/Münster, Germany. He is your nationwide contact for search and recruitment of executives and top specialists for your key position with a strong focus on the needs and requirements of medium-sized companies.

For more than seven years, Michael Zirbes has been working successfully as a consultant in Executive Search and Recruiting. His market and industry competencies focus particularly on the industrial segments of mechanical engineering, metal processing, electrical engineering/electronics/building services, building and construction as well as retail and consumer goods.

His main focus is:

  • Executive & professional search
  • Search & selection of specialists and executives
  • Main sectors of industry, building & construction, commerce & consumer
  • Function focus on technology & digitalization, production, sales & marketing, human resources


Professional experience:

Before his career in the Executive Search started, Michael Zirbes held leading positions in human resources management for more than 20 years, including functions as Head of HR, Division Manager of Human Resources and member of the executive board as well as Director of Corporate HR. His management and industry experience ranges from the steel industry and materials trading (ThyssenKrupp) to medium-sized manufacturing companies (engine construction) up to large retail companies (Ihr Platz drugstores, Fressnapf/MaxiZoo pet food).

Due to many years of management and consulting experience, he is focused on understanding the particular requirements of medium-sized family business as well as the complexity of globally operating group companies and implementing them professionally in the search and selection of right candidates with the best „cultural fit”.

Michael Zirbes is a trained teacher at secondary school and holds a degree as a business economist. In addition to his diverse professional activities, he is interested in history, literature and art. He finds a sporty balance through alpine hiking and fitness training.


Motto: “It is not that we do not have a lot of time, but rather that we have a lot of time that we do not use.” (Seneca)


Mariam Abdel-Wahab, BA



Mariam Abdel-Wahab studied Transcultural Communication at the University of Vienna. Through her translation studies, she acquired intercultural competence, which she uses with her language skills in German, English, French and Arabic in national and international projects.

She carries out her work as a personnel consultant at ISG on a daily basis with the highest level of motivation and above-average enthusiasm. The main focus is always on connecting companies and people in a long-term and sustainable way. She attaches particular importance to professional service, trust and quality.

Main focus:

  • Search and selection of specialists and managers in Germany and abroad
  • Personnel consulting
  • Headhunting
  • Internal training

Motto: “Success has three letters: DO.”



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