Senior Network Engineer (all genders)

Mettler-Toledo, Inc.; Warszawa; On-site; PLN 133,920 - 200,880; Full time

Benefits offered by this job

Annual reward

Flexible working hours

Hybrid work model

Medical care with dental package

Life insurance

Discounts for meals

Job summary

Mettler-Toledo, Inc. in Warsaw is looking for a Network Engineer to manage enterprise-wide networking infrastructure. Responsibilities include capturing business requirements, enforcing security policies, and collaborating with MSPs.

The ideal candidate will have at least 2 years of experience in networking and security, a Bachelor's degree, and strong knowledge of Cisco products. The role offers a hybrid work model and various employee benefits.

Qualifications

• Minimum 2 years of experience in large-scale network and security planning.
• Excellent knowledge of English (written and spoken).
• Strong knowledge of networking protocols and hands-on experience with Cisco products.

Responsibilities

• Capture business requirements for enterprise-wide networking infrastructure.
• Design, develop, and enforce network security policies.
• Collaborate with MSP to maintain network infrastructure and security.

Skills

Cisco routing/switching

Enterprise-grade security solutions (Fortinet)

Networking protocols (TCP/IP, STP, DNS, OSPF, BGP)

Troubleshooting complex networks

Automation (Python, Ansible, Terraform)

Web application security (OWASP Top 10)

Education

Bachelor’s Degree in Computer Information Systems or equivalent

Tools

Cisco products (Catalyst, Nexus)

Job description

Our Opening and Your Responsibilities

The primary focus for this position is to capture business requirements toward enterprise-wide networking infrastructure across LAN, WAN, WLAN and Security and translate it into HLD/LLD. The network engineer is expected to troubleshoot and resolve complex problems related to network/security.

Key Responsibilities

• Serve as the primary point of contact for the business that addresses unique business requirements, including production facilities and R&D environments,
• Design, test and develop enterprise-wide networking infrastructure across LAN, WAN, WLAN, security, and supporting systems such as DNS, IPAM, and AAA,
• Enforce network security policies, firewall rulesets, and secure remote access protocols in collaboration with Cybersecurity teams to safeguard organizational assets,
• Collaborate with the Managed Service Provider (MSP) to maintain LAN, WAN, WLAN, security, and supporting systems such as DNS, IPAM, and AAA across all global regions,
• Act as a Subject Matter Expert (SME) within the designated technical scope, driving continuous improvement initiatives, managing configuration, updating High-Level and Low-Level Designs (HLD/LLD), and providing expert consultancy to MSP and internal teams,
• Define, streamline, and optimize operational processes in partnership with MSP, the ServiceNow team, and other internal IT groups to enhance efficiency and service quality,
• Lead automation efforts using tools such as Python, Ansible, and Terraform to implement Infrastructure-as-Code (IaC) practices and improve operational consistency.

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 a related field), or equivalent experience,
• Strong knowledge of networking protocols such as TCP/IP, STP, DNS, OSPF, and BGP, along with hands‑on experience with Cisco products including Catalyst and Nexus switches, routers, and ISE,
• Demonstrated ability to troubleshoot complex enterprise network problems including SD-WAN/IPSec performance, Certificate management, WIFI quality, etc,
• Solid understanding of HTTP/HTTPS protocols, web application security (OWASP Top 10), and DNS standard.

Nice to have

• Minimum either Cisco CCNP or equivalent knowledge,
• SD-WAN deployment and performance troubleshooting experience,
• WAF implementations experience – proven record track 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).

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,
• 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.

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 the Equal Employment Opportunity Policy.