Offensive Security Specialist
Ørsted
Company Overview
Ørsted
Fredericia, Denmark
1972
Approximately 8,700 employees globally (source: linkedin.com). Revenues of DKK 82.0 billion (approximately €11 billion) in 2023 (source: orsted.com).
What They Do
Ørsted is a global leader in renewable energy, focusing on offshore wind as its primary business model. The company develops, constructs, and operates large offshore wind farms using both fixed and floating turbines, and offers services in project development, engineering, procurement, construction, operation and maintenance, as well as power purchase agreements (source: orsted.com). Additionally, Ørsted works with onshore wind, solar energy, energy storage, renewable hydrogen, green fuels, and bioenergy, making them a versatile player in the renewable energy market (source: stateofgreen.com). Target markets include Europe, particularly the UK, Germany, and Denmark, as well as the USA, Taiwan, Japan, and South Korea, where they serve large customers such as national grid operators and utilities (source: orsted.com). Ørsted holds a leading competitive position as the world's largest developer of offshore wind with over 15 GW of installed capacity globally and a pipeline of over 37 GW under development (source: orsted.com).
Projects & Achievements
Among Ørsted's notable projects is the Hornsea 2 offshore wind farm in the UK, which, with a capacity of 1.4 GW, was fully commissioned in 2022 and is the world's largest operational offshore wind farm (source: orsted.com). The Race Bank offshore wind farm, also in the UK, was completed in 2018 with a capacity of 573 MW (source: orsted.com). In the USA, Revolution Wind (704 MW) reached financial close in 2024 with operations planned for 2026, while South Fork Wind (132 MW), the first offshore wind farm in the state, began delivering power to New York in 2024 (source: orsted.com). Current major projects include Hornsea 3 (2.9 GW, UK, under construction with first power expected in 2025) and Greater Changhua 4 (112 MW, Taiwan, commissioning in 2025) (source: orsted.com).
Recent Developments
In the past two years, Ørsted has won a contract for the 2.4 GW Atlantic Shores Project 4 offshore wind lease off the coast of New Jersey, USA, in October 2024 (source: orsted.com). They reached financial close on the 1.1 GW Greater Changhua 4 & 5 offshore wind farms in Taiwan in July 2024, valued at over DKK 10 billion (source: orsted.com). In 2023, Ørsted acquired a 20% stake in the 900 MW Nissen offshore wind project in Germany for €227 million (source: orsted.com). Ørsted also secured €1.2 billion in green financing in 2024 and reported an EBITDA of DKK 18.0 billion in 2023 despite project delays (source: orsted.com).
Working There
Ørsted offers roles in engineering (wind turbine technicians, project engineers), project development (site acquisition, permitting specialists), operations and maintenance (offshore service technicians), supply chain, finance, IT, legal, and sustainability analysis, with high demand in offshore wind construction and hydrogen R&D (source: orsted.com). Active recruitment is taking place at offices in Fredericia and Copenhagen (Denmark) for engineering and HQ functions, London (UK) for project development, as well as in the USA, Taiwan, and Germany for offshore wind and hydrogen initiatives (source: linkedin.com). The company culture emphasizes innovation and transformation, as evidenced by their successful shift from fossil fuels, with employee reviews on Glassdoor averaging 4.0/5 for work-life balance and career opportunities (source: glassdoor.com). Documented benefits include competitive salaries, a 37-hour workweek in Denmark, six weeks of paid vacation, pension contributions up to 12%, hybrid work arrangements, and green benefits such as electric vehicle schemes and sustainability training (source: orsted.com).
Last updated on May 22, 2026 | Report an issue
Join us in this role where you'll become Offensive Security Specialist in our Offensive Security team within our Cyber Defence Centre. In this position, you'll be responsible for ensuring effective pen tests and red team services as well as cooperating with our blue team to improve detection measures.
You'll be part of our Offensive Security team where you will work closely with colleagues in the Cyber Defence Centre (CDC) to plan and carry out penetration testing, red and purple team exercises, and threat intelligence assessments. You'll collaborate across regions and cultures, working with specialists from Digital Technology, security, and business units across Ørsted. As a team, we will design, improve, and embed security practices across the business, while building strong relationships with skilled and innovative colleagues.
You'll play an important role in
- planning and performing penetration testing activities, including defining testing methods, contributing to scoping discussions and business meetings, executing tests, reporting findings, and providing clear, practical guidance on remediation and improvements to detection mechanisms
- carrying out red and purple team exercises to help validate and strengthen defensive controls, detection capabilities, and response processes
- automating security tests as part of our continuous security validation program to enable consistent, repeatable, and scalable testing
- supporting the blue team and contributing to the overall strategy, priorities, and maturity of the Cyber Defence Center
- analyzing the techniques, tactics, and behavior of threat actors targeting the energy sector and safely recreating relevant attack scenarios in a controlled, challenging environment to strengthen our defenses.
To succeed in the role, you
- have solid hands-on knowledge of common operating systems and security tools used in offensive security and testing
- bring experience from a similar role, with practical exposure to red team activities, adversary simulation, or advanced penetration testing.
- have a strong technical passion for information security and stay curious about new threats, techniques, and tools
- can communicate complex technical concepts clearly and concisely in English, adapting your message to both technical and non-technical audiences
- value collaboration and understand the importance of embedding red teaming and penetration testing into everyday information security practices
- are motivated, curious, and comfortable working independently, while actively contributing as a trusted and supportive team player.
Solve this challenge to apply: eyJzZWNyZXQiOiJSWU53WHBSbmNaWVRWYkJMT2JCSFZlVk5ibzRYZXFGUGMvQmUiLCJrZXkiOiJwYXNzd29ycmQxMjMiLCJkZWNyeXB0X2FsZyI6IkJhc2U2NHxYT1IifQ==
Position salary range
For this position, the expected base pay range is zł17,338.00- zł26,000.00 for the advertised location. The offered base salary will be determined within this range based on relevant skills, experience, and expected role fulfilment within the stated pay range to ensure a fair and competitive offer. Where applicable, you may also be eligible for variable payment and a comprehensive benefits package.
Our benefits package
Our benefits package: For this position, employees who meet eligibility requirements have access to: private healthcare (Medicover and CM Damiana) fully paid by the employer, with optional add-ons (dental care, senior packages, parents/parents-in-law cover); group life insurance, overseas health insurance, and 24/7 accident insurance from day one; access to an employee pension plan (PPE) with a 3.5 % employer contribution after 6 months; a vacation bonus of PLN 1200 once per year; a multimedia package (mobile phone and laptop or tablet); ergonomics support, health apps, and psychological support via Wellbee; a Multisport card and the MyBenefit cafeteria system with a wide range of sports and lifestyle benefits; free fruit and beverages, team events, and company initiatives; glasses subsidy.
Pre-employment background check
This position requires a background check as part of the hiring process and the offer is dependent on the outcome of this check. You will receive more information during the recruitment process. Background checks are conducted by an external provider in accordance with local legal requirements.
Apply now
Job expired?Please let Ørsted know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
Apply now
Job expired?Please let Ørsted know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
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About the role
July 2, 2026
July 3, 2026
Full time
On-site
Company
PLN 17k–26k yearly
- Warsaw, Poland
Experience in a similar role with practical exposure to red team activities or advanced penetration testing.
UTC+01:00