1,641,437open jobs
98,686companies
253,294added this week
Browse all
Salary
≈ $41k – $89k per year (Estimated)
Location
Hybrid (Warsaw, Poland)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Oct 2, 2026. Inetum scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Inetum is a European digital services company founded in France in 1970 as Gfi Informatique and renamed in 2021 after its acquisition by the private equity firm Bain Capital. It provides consulting, application development, infrastructure and managed services to clients across roughly twenty countries, with particular strength in France, Spain, Portugal and Belgium and a large nearshore delivery base in Morocco and Eastern Europe. Alongside services the group publishes its own software for public administration, human resources and finance, which gives it recurring licence revenue that pure services competitors lack.

Inetum Polska is part of the global Inetum Group and plays a key role in driving the digital transformation of businesses and public institutions. Operating in cities such as Warsaw, Poznan, Katowice, Lublin, Rzeszow, Lodz the company offers a wide range of IT services. Inetum Polska actively supports employee development by fully funding training, certifications, and participation in technology conferences. Additionally, the company is involved in local social initiatives, such as charitable projects and promoting an active lifestyle. It prides itself on fostering a diverse and inclusive work environment, ensuring equal opportunities for all.

Globally, Inetum operates in 19 countries and employs over 28,000 professionals. The company focuses on four key areas:

  • Consulting (Inetum Consulting): Strategic advisory services that help organizations define and implement innovative solutions.
  • Infrastructure and Application Management (Inetum Technologies): Designing and managing IT systems tailored to clients’ individual needs.
  • Software Implementation (Inetum Solutions): Deploying partner solutions from industry leaders like Microsoft, SAP, Salesforce, and ServiceNow.
  • Custom Software Development (Inetum Software): Creating unique software solutions to meet specific client needs.

With strategic partnerships with major technology giants, including Microsoft, SAP, Salesforce, and ServiceNow, Inetum delivers advanced technological solutions tailored to customer requirements. In 2023, Inetum reported revenues of €2.5 billion, underscoring its strong position in the digital services market.

Inetum distinguishes itself by offering a comprehensive range of benefits that meet the diverse needs of employees, providing flexibility, support and commitment. Here's what makes working at Inetum unique:

Flexible and hybrid work:

  • Flexible working hours.
  • Hybrid work model, allowing employees to divide their time between home and modern offices in key Polish cities.

Attractive financial benefits:

  • A cafeteria system that allows employees to personalize benefits by choosing from a variety of options.
  • Generous referral bonuses, offering up to PLN6,000 for referring specialists.
  • Additional revenue sharing opportunities for initiating partnerships with new clients.

Professional development and team support:

  • Ongoing guidance from a dedicated Team Manager for each employee.
  • Tailored technical mentoring from an assigned technical leader, depending on individual expertise and project needs.

Community and Well-Being:

  • Dedicated team-building budget for online and on-site team events.
  • Opportunities to participate in charitable initiatives and local sports programs.
  • A supportive and inclusive work culture with an emphasis on diversity and mutual respect.

We are seeking a highly skilled and experienced Senior IT Support Engineer specializing in Offensive Security to join Information Security team. The ideal candidate will have a strong background in penetration testing, security assessments, and infrastructure security audits. This role involves identifying architectural weaknesses, planning and executing penetration tests, and conducting comprehensive security reviews across various environments.

Key Responsibilities:

  • Penetration Testing & Security Assessments:

    • Conduct penetration tests of internal infrastructure, environments, and Internet-facing web applications.
    • Perform authentication, authorization, business logic, and API security assessments.
    • Identify, validate, and document security vulnerabilities based on industry standards such as OWASP Top 10 and MITRE ATT&CK.
  • Infrastructure Security Audits:

    • Assess network, system, and application security controls.
    • Conduct security reviews of cloud-native and distributed architectures, in-house cloud architectures, and physical security of company sites.
    • Audit complex enterprise infrastructures including Kubernetes environments, OpenStack platforms, Apache Kafka ecosystems, Active Directory, Microsoft Entra ID, WAN and LAN network infrastructures, Linux and Windows server environments, and hybrid cloud and on-premise architectures.
  • Reporting & Documentation:

    • Report and present findings, risk assessments, and remediation recommendations to technical and management stakeholders.
    • Document penetration tests, security assessments, and audit results.
  • Red Team Engagements:

    • Plan and execute internal red team engagements simulating realistic threat actor behavior.
    • Conduct attack path analysis, privilege escalation assessments, social engineering, credential compromise, and lateral movement scenarios.
  • Security Improvement & Collaboration:

    • Support remediation activities and security architecture improvements.
    • Collaborate with system owners, platform teams, and developers to address identified weaknesses.
    • Participate in security architecture reviews and technical design discussions.
    • Work closely with IT, network, and application teams to identify security gaps and recommend improvements.
  • Methodology & Tooling Development:

    • Develop and maintain testing methodologies, attack playbooks, and automation scripts.
    • Contribute to the continuous improvement of offensive security capabilities and tooling.
  • Compliance & Awareness:

    • Support compliance requirements such as ISO 27001, NIS2, and industry-specific security frameworks.
    • Provide technical expertise for security-related projects and initiatives.
    • Contribute to security awareness by sharing attack techniques, lessons learned, and best practices
  • Degree in Computer Science, IT Security, or a comparable qualification.
  • Several years of experience in Information Security, Offensive Security, Penetration Testing, or Red Teaming.
  • Hands-on experience conducting penetration tests against heterogeneous Enterprise Infrastructure environments, including:
    • Active Directory Security/Microsoft Entra ID
    • Network - LAN/WAN/WLAN
    • Windows, Mac, and Linux
    • Web Applications (In-House and public-facing)
    • APIs
    • (In-House) Cloud Security (OpenStack, Kubernetes, containerized environments)
    • Cloud Security (AWS, Azure, M365)
  • Strong understanding of modern attack techniques and adversary tactics.
  • Practical knowledge of common penetration testing methodologies and frameworks.
  • Strong analytical skills and problem-solving abilities.
  • Experience creating technical reports and presenting findings to stakeholders.
  • Team player with good communication skills.

Hybrid work model: 3 days from the office, 2 days of home office.

Office locations: Warszawa, Poznan, Lublin

During employment, we conduct a background check

Fluent communication skills in English and Polish (minimum B2 level), both written and spoken.

We hereby inform you that Inetum Polska sp. z o.o. has implemented an internal reporting (whistleblowing) procedure. The content of the procedure and the possibility to submit an internal report are available at:

https://inetum.whispli.com/speakup?locale=pl

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,641,437 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Security
Similar stack
Same company
Warsaw
$82k – $95k per year • Hybrid • Master's Degree • Kraków
DevOps
Wi-Fi
Management
Jira
Apply
≈ $68k – $123k per year (Estimated) • Hybrid • 5+ years exp • Poland
Cybersecurity
Zscaler
DLP
Management
Confluence
Jira
Agile
Apply
≈ $61k – $115k per year (Estimated) • Remote (Poland) • 5+ years exp • Bachelor's Degree • Poland
Python
JavaScript
Node JS
Node JS
Commander.js
DevOps
GCP
AWS
Linux
Windows
Cybersecurity
ISO 27001
FedRAMP
SIEM
Apply
≈ $76k – $127k per year (Estimated) • In office • Poland
DevOps
GCP
Azure
OVHcloud
AWS
Kubernetes
OpenStack
IAM
Cybersecurity
SOC 2
Apply
≈ $55k – $119k per year (Estimated) • In office • Bachelor's Degree • Warsaw
AI/ML
AI Agents
DevOps
CI/CD
IAM
Cybersecurity
Okta
Zero Trust
Threat Modeling
Microsoft Entra ID
Auth0
Active Directory
Apply
$120k – $167k per year • Equity • Hybrid • Full-Time • 10+ years exp • Bachelor's Degree • Stamford • Irving
JavaScript
Java
Java
Spring Boot
AI/ML
Copilot
Frontend
Next.js
React.js
DevOps
AWS
Docker
Kubernetes
Service Mesh
Management
Agile
Scrum
Apply
Data Analyst 4 days ago
In office • Part-Time • 1+ year exp
Python
SQL
AI/ML
NumPy
DevOps
GCP
Azure
AWS
Analytics
Tableau
Power BI
ETL/ELT
Looker
Microsoft Excel
Apply
≈ $29k – $85k per year (Estimated) • In office • Full-Time • 5+ years exp • Bachelor's Degree • Zagreb
Python
JavaScript
TypeScript
C#
Node JS
Databases
MySQL
PostgreSQL
MS SQL
Frontend
Angular
React.js
DevOps
CI/CD
AWS
Ubuntu
CentOS Stream
Linux
Management
Agile
Apply
≈ $58k – $147k per year (Estimated) • In office • Full-Time • 6+ years exp • Cairo
Python
TypeScript
AI/ML
LangGraph
LangChain
Computer Vision
AI Agents
LLM
Anomaly Detection
EU AI Act
Machine Learning
DevOps
Azure
CI/CD
Cybersecurity
GDPR
Apply
≈ $35k – $89k per year (Estimated) • In office • Beijing
Python
Go
Java
Rust
C++
C++
TensorFlow C++
PyTorch C++
Databases
ClickHouse
Apache Kafka
AI/ML
Spark
CUDA Toolkit
Fine-tuning
JAX
Flink
TensorFlow
PyTorch
RAG
Time Series Forecasting
CUDA
NCCL
ROCm
Machine Learning
Apply
≈ $35k – $61k per year (Estimated) • Hybrid • Full-Time • 5+ years exp • Katowice
Java
Mobile
JUnit
DevOps
Rest API
GCP
Azure DevOps
Azure
CI/CD
Git
Management
ServiceNow
QA
Selenium
Apply
≈ $30k – $62k per year (Estimated) • Hybrid • Full-Time • Warsaw
Java
SQL
Databases
Apache Kafka
Mobile
JUnit
DevOps
Rest API
Splunk
Azure DevOps
Azure
CI/CD
Git
Management
ServiceNow
QA
TestNG
Swagger
Gatling
Postman
Rest-Assured
Apply
≈ $48k – $132k per year (Estimated) • Hybrid • Full-Time • Tunis
Java
TypeScript
DevOps
Rest API
GitLab CI
CI/CD
Jenkins
Management
Jira
Agile
QA
Selenium
Playwright
Postman
Karate DSL
Apply
≈ $57k – $159k per year (Estimated) • Hybrid • Full-Time • Casablanca
DevOps
CI/CD
Management
Agile
QA
Selenium
Cypress
Playwright
Karate DSL
Apply
Hybrid • Full-Time • Bucharest
Python
JavaScript
Groovy
Frontend
GraphQL
DevOps
Rest API
Splunk
GCP
Azure DevOps
GitHub Actions
Datadog
Dynatrace
WebSockets
GitLab CI
Azure
CI/CD
Jenkins
Git
AWS
Kubernetes
Grafana
AppDynamics
SOAP
Apache HTTP Server
QA
JMeter
Gatling
k6
Apply
≈ $26k – $65k per year (Estimated) • Hybrid • Full-Time • Warsaw
Python
JavaScript
PHP
TypeScript
SQL
Node JS
PHP
Symfony
Databases
MySQL
PostgreSQL
Redis
RabbitMQ
AI/ML
Cursor
Claude
Claude Code
Model Context Protocol
AI Agents
LLM
OpenAI Agents SDK
Context Engineering
Frontend
GraphQL
React.js
DevOps
GCP
GitHub Actions
Datadog
ArgoCD
Git
Docker
Kubernetes
GitHub
Management
n8n
Apply
≈ $61k – $100k per year (Estimated) • Hybrid • Full-Time • Warsaw
Python
JavaScript
PHP
TypeScript
Node JS
PHP
Symfony
Databases
MySQL
PostgreSQL
Redis
RabbitMQ
AI/ML
Cursor
Claude
Claude Code
Model Context Protocol
OpenAI Agents SDK
Frontend
GraphQL
React.js
DevOps
GCP
GitHub Actions
Datadog
CI/CD
ArgoCD
Kubernetes
Management
Slack
Jira
n8n
Apply
≈ $84k – $132k per year (Estimated) • In office • 8+ years exp • Bachelor's Degree • Warsaw
AI/ML
LLM
DevOps
CI/CD
Apply
≈ $44k – $98k per year (Estimated) • Hybrid • Full-Time • Warsaw
Cybersecurity
GDPR
HIPAA
Apply
≈ $20k – $54k per year (Estimated) • Hybrid • Full-Time • Warsaw
Apply
See all jobs
This is one of many
1,641,437 more open roles from verified company boards, updated every day.