Polyvios Gregoriades - Part time Stress Engineer

Q: Where is Polyvios based?

Polyvios is based in Latsia, Cyprus and can operate in on-site , hybrid , and remote work models.

Q: What languages does Polyvios speak?

Polyvios speaks the following languages: Greek (Advanced), English (Advanced), German (Elementary), French (Elementary) .

Q: How many years of experience does Polyvios have?

Polyvios has at least 29 years of experience. During this time, Polyvios has worked in at least 18 different roles and for 15 different companies . The average length of individual experience is 2 years and 7 months . Note that Polyvios may not have shared all experience and actually has more experience.

Q: What is Polyvios's latest experience?

Polyvios's most recent position is Part time Stress Engineer at Manna Drones Ltd .

Q: What companies has Polyvios worked for in recent years?

In recent years, Polyvios has worked for Manna Drones Ltd and SPIRIT Aerosystems .

Q: Which industries is Polyvios most experienced in?

Polyvios is most experienced in industries like Aerospace and Defense , Construction , and Professional Services . Polyvios also has some experience in Space Exploration .

Q: Which business areas is Polyvios most experienced in?

Polyvios is most experienced in business areas like Product Development , Research and Development , and Quality Assurance . Polyvios also has some experience in Operations .

Q: Which industries has Polyvios worked in recently?

Polyvios has recently worked in industries like Aerospace and Defense .

Q: Which business areas has Polyvios worked in recently?

Polyvios has recently worked in business areas like Product Development and Quality Assurance .

Recommended expert

Latsia, Cyprus

Experience

Sep 2023 - May 2025

1 year 9 months

Part time Stress Engineer

Manna Drones Ltd

Supported the development of a new composite air-frame using ANSYS finite element analysis
Supported the team in various stress engineering activities related to sizing and optimizing metallic components

Oct 2021 - Jan 2026

4 years 4 months

Belfast, United Kingdom

Senior Stress Engineer – Airbus A220

SPIRIT Aerosystems

Fixed leading edge (FLE) major in service problem (MISP) solution using FEM (MSC Patran/Nastran, Altair Hypermesh, SAMCEF, Simcenter-3D) and hand calculations
Worked towards an acceptable fatigue and damage (durability) solution and redesign of the FLE

Oct 2019 - Apr 2020

7 months

United Kingdom

Senior Stress Engineer – Mitsubishi HI-H3 Launcher

RUAG Space

Sizing of the umbilical door situated at the payload fairing (PLF) using FEM (MSC Patran/Nastran, Altair Hypermesh/Hyperview) and hand calculations
Worked towards critical design review report

Apr 2019 - Jul 2019

4 months

Bremen, Germany

Senior Stress Engineer – A321 XLR

AIRBUS Deutschland

Generated detailed finite element models integrated into A321 XLR single slotted flap model using Hypermesh/Hyperview
Performed analysis (MSC Nastran) on a subset of loadcases to support preliminary design sizing

Dec 2018 - Mar 2019

4 months

Bremen, Germany

Senior Stress Engineer – A350 XWB-900

AIRBUS Deutschland

Static stress assessment of Jack Catcher Brackets supporting actuators of Spoiler No. 4 in case of actuator pin failure using 3D finite element modelling (Hypermesh/Hyperview/MSC Nastran) and HSB Stress Manual
Achieved significant weight reduction from previous design using Altair OptiStruct

Oct 2018 - Dec 2018

3 months

Bremen, Germany

Senior Stress Engineer – A320 Ultimate

AIRBUS Germany

Preliminary sizing of hinged flap design concept for the future A320 Ultimate wing through hand calculations (HSB Stress Manual) and finite element analysis (Hypermesh/Hyperview, MSC Nastran)
Performed weight optimization using Altair OptiStruct
Met weight and stiffness constraints

Mar 2018 - Sep 2018

7 months

Nicosia, Cyprus

Senior Engineer

The Cyprus Institute

Provided fundamental aerodynamics analysis
Performed structural analysis
Conducted finite element analysis for the development of UAVs at the Unmanned Systems Research Laboratory

Apr 2017 - Oct 2017

7 months

Charleroi, Belgium

Senior Stress Engineer – Embraer 175E2

SONACA Sprl

Sized Embraer 175 flaps using in-house finite element analysis tools (SONIA-SAMCEF) and hand calculations
Conducted fatigue and damage tolerance analysis on lugs (NASGRO)

Apr 2016 - Dec 2016

9 months

United Kingdom

Senior Stress Engineer – ATLAS V 5.4m PLF

RUAG Space

Sized air-conditioning duct of the payload fairing (PLF) using FEM (MSC Patran/Nastran, Altair Hypermesh) and hand calculations
Worked towards critical design review report

May 2015 - Feb 2016

10 months

Linköping, Sweden

Senior Stress Engineer – T-X Trainer Prototype

SAAB Aerostructures

Sized engine bay components including engine inlet wall mounts, engine inlet ducts and air inlet components using hand calculations in Mathcad
Created detailed FEM components using Altair Hypermesh and MSC Nastran
Supported early completion of the T-X prototype to assist Saab-Boeing bid for U.S. Air Force Trainer-X competition

Jan 2014 - Apr 2015

1 year 4 months

Linköping, Sweden

Senior Stress Engineer – Airbus A350 XWB-1000

SAAB Aerostructures

Supported the Flap Support Structure team for sizing composite fairings of the A350
Generated FEM (MSC Patran, Altair Hypermesh) and performed stiffness and strength calculations (MSC Nastran, Airbus ISAMI 8.1) along with hand calculations
Worked towards C-scheme approval

Sep 2012 - Oct 2013

1 year 2 months

Brussels, Belgium

Senior Stress Engineer – Clean Sky Smart Fixed Wing

ASCO Industries

Sized Krueger flaps consisting of metallic components and composite panel using classical hand calculations and finite element analysis (MSC Patran/Nastran)
Completed C-scheme approval signed off by Airbus Deutschland
Improved and further developed ASCO’s composite analysis tools

Jun 2008 - Mar 2012

3 years 10 months

United Kingdom

Stress Engineer – A350XWB-900 Composite Wingtip-Winglet

AIRBUS UK

Sized wingtip to winglet joint composite and metallic structural components to achieve B-Scheme sign-off by Airbus using classical hand calculations, Airbus metallic and composite methods and finite element analysis
Advised design team throughout sizing iterations to achieve optimum structure

Nov 2004 - Dec 2007

3 years 2 months

Bremen, Germany

Stress Engineer – Airbus A380

AIRBUS Deutschland GmbH

Performed post-buckling analysis of A380 composite flaps and test panels using non-linear finite elements (ABAQUS) and hand calculations
Authored structural repair manual for midboard and outboard flaps

Apr 2003 - Nov 2004

1 year 8 months

Nicosia, Cyprus

Consulting Engineer

Upperstage Engineering Ltd

Provided engineering consultancy services for industrial and research projects
Conducted stress and finite element analysis (ANSYS) of deep-sea autonomous underwater vehicle (European funded project)
Performed impact analysis on motorway guardrails using LS-DYNA 3D

Apr 2000 - Mar 2003

3 years

Bremen, Germany

Stress Engineer – Ariane 5 Launcher

ASTRIUM GmbH

Conducted ESC-A line interface analysis using hand calculations and in-house software
Performed structural verification and dynamic and sine response analysis for SYLDA 5 internal payload carrying structure to permit double satellite launch configurations
Executed structural finite element analysis for test verification and dynamic analysis of the Cone-3936 payload carrier structure
Analyzed ceramic-composite elevon for the NASA-X33 reusable launch vehicle

Jan 1997 - Apr 2000

3 years 4 months

Bristol, United Kingdom

Professional Engineer

British Aerospace - AIRBUS Ltd

Developed knowledge based engineering solutions for sizing metallic and composite top and bottom wing skins with stringers for multiple stringer options
Performed structural optimization using MSC/NASTRAN solution 200 on an A321-Hybrid wing model (inner metallic and outer composite)
Evaluated finite element analysis program NISA using NAFEMS and in-house evaluation problems for applicability in the composite wing programme

Apr 1993 - Dec 1996

3 years 9 months

Larnaca, Cyprus

Operations Officer

Eurocypria Airlines Ltd

Coordinated daily airline operations for the Ground Operations Department
Liaised with airport authorities, catering services and flight operators
Generated flight plans and crew rosters
Conducted flight watch and supported abnormal operations including aircraft diversions
Produced A320 aircraft performance charts

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Aerospace and Defense, Construction, Professional Services, and Space Exploration.

Aerospace and Defense

Construction

Professional Services

Space Exploration

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Product Development, Research and Development, Quality Assurance, and Operations.

Product Development

Research and Development

Quality Assurance

Operations

Summary

Twenty six years of experience as a stress engineer in the aerospace industry with expertise in finite elements and hand calculations for lightweight metallic and composite structures. Worked in many areas of the aerospace industry, mainly in civil aircraft and space launchers.

Skills

Excellent Knowledge Of Finite Element Analysis Packages: Msc Patran /Nastran, Altair Hypermesh / Hyperview / Optistruct, Samcef, Femap, Abaqus.
Excellent Knowledge Of Object Oriented Programming Language: Python. Proficient In Building Engineering Analysis Applications And Multi-user Web Application Platforms.
Very Good Knowledge Of Mathcad, Matlab, And Microsoft Excel Vba.
Good Knowledge Of Computer-aided-design Software: Catia V5.

Languages

Greek

Advanced

English

Advanced

German

Elementary

French

Elementary

Education

Feb 1997 - Feb 1998

University of Bristol

Master of Science, Aerospace Design, Manufacture and Management · Aerospace Design, Manufacture and Management · Bristol, United Kingdom

Oct 1990 - Aug 1992

Iowa State University

Master of Science, Aerospace Engineering · Aerospace Engineering · Ames, United States

Oct 1986 - May 1990

Iowa State University

Bachelor of Science, Aerospace Engineering · Aerospace Engineering · Ames, United States

Certifications & licenses

Certified Daily Coastal Yacht Skipper

American Sailing Association

Statistics

Experience

Total positions 18

Experience in Aerospace and Defense 26 y

Avg length 1 y 8 m

Longest experience 4 y 3 m

Global Experience

Countries worked in 5 (United Kingdom, Germany, Cyprus, Belgium, Sweden)

Primary country United Kingdom

Expertise

Recent roles Part time Stress Engineer, Senior Stress Engineer – Airbus A220, Senior Stress Engineer – Mitsubishi HI-H3 Launcher

Main industries Aerospace and Defense, Construction, Professional Services

Main business areas Product Development, Research and Development, Quality Assurance

Qualifications

Highest degree Master

Certifications earned 1

Profile

Created

March 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Polyvios based?

Polyvios is based in Latsia, Cyprus and can operate in on-site, hybrid, and remote work models.

What languages does Polyvios speak?

Polyvios speaks the following languages: Greek (Advanced), English (Advanced), German (Elementary), French (Elementary).

How many years of experience does Polyvios have?

Polyvios has at least 29 years of experience. During this time, Polyvios has worked in at least 18 different roles and for 15 different companies. The average length of individual experience is 2 years and 7 months. Note that Polyvios may not have shared all experience and actually has more experience.

What roles would Polyvios be best suited for?

Based on recent experience, Polyvios would be well-suited for roles such as: Part time Stress Engineer, Senior Stress Engineer – Airbus A220, Senior Stress Engineer – Mitsubishi HI-H3 Launcher.

What is Polyvios's latest experience?

Polyvios's most recent position is Part time Stress Engineer at Manna Drones Ltd.

What companies has Polyvios worked for in recent years?

In recent years, Polyvios has worked for Manna Drones Ltd and SPIRIT Aerosystems.

Which industries is Polyvios most experienced in?

Polyvios is most experienced in industries like Aerospace and Defense, Construction, and Professional Services. Polyvios also has some experience in Space Exploration.

Which business areas is Polyvios most experienced in?

Polyvios is most experienced in business areas like Product Development, Research and Development, and Quality Assurance. Polyvios also has some experience in Operations.

Which industries has Polyvios worked in recently?

Polyvios has recently worked in industries like Aerospace and Defense.

Which business areas has Polyvios worked in recently?

Polyvios has recently worked in business areas like Product Development and Quality Assurance.

What is Polyvios's education?

Polyvios holds a Master in Aerospace Design, Manufacture and Management from University of Bristol, a Master in Aerospace Engineering from Iowa State University and a Bachelor in Aerospace Engineering from Iowa State University.

Does Polyvios have any certificates?

Polyvios has 1 certificate: Certified Daily Coastal Yacht Skipper.

What is the availability of Polyvios?

Polyvios is immediately available full-time for suitable projects.

What is the rate of Polyvios?

Polyvios's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.