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Network Engineer (f/m/d)

Location Warsaw, Mazovia, Poland Date posted December 16, 2025 Job ID 20887
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Our Opening and Your Responsibilities
We are seeking a skilled Network Engineer to be the primary point of contact for designing, implementing, and managing customized network and security solutions that meet unique business needs across global production and R&D environments. This role plays a critical part in developing and maintaining an enterprise-wide networking infrastructure that spans LAN, WAN, WLAN, and security systems.

Key Responsibilities:
  • Serve as the main contact for tailored network and security solutions supporting diverse business functions,
  • Design, develop, and manage enterprise networking infrastructure, including DNS, IPAM, and AAA systems,
  • Collaborate closely with Cybersecurity teams to enforce network security policies, firewall configurations, and secure remote access,
  • Work with Managed Service Provider (MSP) across multiple regions (Europe, Americas, Asia Pacific, China) to maintain data center and local network infrastructure,
  • Act as a Subject Matter Expert by driving continuous improvement, managing network configurations, and maintaining design documentation,
  • Define and optimize operational processes in partnership with MSP, ServiceNow teams, and internal IT groups to boost efficiency,
  • Oversee hardware and software lifecycle management to ensure cost-effectiveness, compliance, and uninterrupted service delivery.
What You Need to Succeed
  • Minimum 2 years of experience in large-scale network and security planning, including Cisco routing/switching and enterprise-grade security solutions (preferably Fortinet), 
  • Excellent knowledge of English (written and spoken),
  • Bachelor’s Degree in Computer Information Systems or related field, or equivalent education,
  • Strong knowledge of networking protocols (TCP/IP, STP, DNS, OSPF, BGP) and Cisco products (Catalyst/Nexus Switches, Routers, ISE),
  • Proven ability to troubleshoot enterprise applications such as SAP, hybrid web applications, and Teams videoconferencing,
  • Solid understanding of HTTP/HTTPS protocols, web application security (OWASP Top 10), and DNS standards including DNSSEC.
Nice to have:
  • WAF implementations experience – proven record track in in tuning WAF policies, creating custom rules, and mitigating false positives with popular products (i.e. Fortinet),
  • Experience with hybrid DNS environments (on-premises and cloud integration),
  • Hands-on experience with Infrastructure as Code tools like Terraform, CloudFormation, and Bicep.
Our Offer to You
  • Contract of employment [umowa o pracę], we are looking for a long term cooperation,
  • Annual reward,
  • Flexible working hours,
  • Hybrid work model (up to 3 days a week from home, 2 days from the office),
  • A diverse and inclusive workplace.
  • Festive benefits paid in April and December,
  • Medical care with basic dental package (Medicover), with possibility to extend to Damian Medical Center?,
  • Possibility to extend medical care to family members,
  • Life insurance with possible extended scope,
  • Sports card (Medicover),
  • Language courses,
  • A vast training offer to support your development,
  • Wellbeing activities, CSR, with space for your initiatives*
  • Discounts for meals and special offers at Platan Business Park.
*We are focusing on entertainment and supporting your physical and mental health – check out our LinkedIn profile!
About Mettler Toledo
METTLER TOLEDO is a global leader in precision instruments and services. We are renowned for innovation and quality across laboratory, process analytics, industrial, product inspection, and retailing applications. Our sales and service network is one of the most extensive in the industry. Our products are sold in more than 140 countries, and we have a direct presence in approximately 40 countries. For more information, please visit www.mt.com.
Equal Opportunity Employment
We are an equal opportunity employer and value diversity at our company. We give consideration for employment without regard to race, color, religion, sex, age, national origin, disability, sexual orientation, gender identity, genetic information, or any other protected classification. You can find more details in our Equal Employment Opportunity Policy.
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We are an equal opportunity employer and value diversity at our company. We give consideration for employment without regard to race, color, religion, sex, age, national origin, disability, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected classification. Learn your EEO rights as an applicant under the law.

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