Senior Network Engineer (R-19680)

Dun & Bradstreet; Warszawa; On-site; PLN 180,000 - 320,000; Full time

Job summary

Dun & Bradstreet seeks a Senior Network Engineer to design, implement, and optimize our enterprise and cloud network infrastructure with a strong AWS and GCP focus. You will collaborate with technology leaders, engineers, and end users to deliver secure, scalable network solutions and lead cross-functional initiatives.

The ideal candidate has 8+ years in network engineering, deep Cisco expertise, and hands-on experience with IaC tools like Terraform and automation with Ansible.

Qualifications

• Bachelor’s Degree in Computer Science, Information Systems, or related field.
• Minimum 8 years of experience in network engineering.
• Expert knowledge of enterprise cloud architecture emphasizing network design and implementation (AWS and GCP, with focus on GCP).
• Networking certifications such as CCNA, CCNP, or equivalent preferred.
• Expert knowledge of network infrastructure, protocols, security appliances, VPNs, firewalls, proxies, and related security solutions.
• Thorough knowledge of Cisco routers/switches, HSRP, GLBP, VSS, multi-VRF, BGP, MPLS, OSPF, TCP/IP, DNS, NTP, SNMP, WLC, ISE, and Windows networking.
• Experience deploying/managing AWS VPCs/Direct Connect and enterprise-level GCP VPCs.
• Proficiency in Python or Java, or familiarity with Infrastructure as Code (Terraform).
• Experience using Ansible to automate network configuration standardization.
• Understanding of NOC operations and ability to manage day-to-day incidents.
• Experience implementing proactive network management and monitoring solutions.
• Strong knowledge of business environments, network and security infrastructure.
• Leadership ability to craft vision and plans for future network/security infra.
• Ability to translate business needs into resilient technical solutions.
• Self-motivated with ability to manage multiple concurrent projects.
• Experience managing vendors and negotiating features.

Responsibilities

• Define cloud network requirements and architecture to meet business goals.
• Manage LAN/WAN implementations including routing, switching, firewalls, wireless, and voice/video.
• Provide leadership with MSPs, cloud providers, and communications vendors.
• Perform root-cause analysis and drive problem resolution with recommendations.
• Guide network engineers and IT leadership on technical/operational issues.

Skills

AWS & GCP

Network architecture

Python/Java

Terraform/Ansible

Cisco networking

Security appliances

Vendor management

Education

Bachelor’s Degree in Computer Science/Information Systems

CCNA/CCNP certification

Tools

AWS

GCP

Terraform

Ansible

Python

Java

Cisco IOS

Job description

Shape the Future with Dun & Bradstreet

At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. For over 180 years, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us!

The Senior Network Engineer serves as a technical leader in the design, implementation, and optimization of our enterprise and cloud network infrastructure. This role partners closely with Technology leadership, engineers, and end users to deliver secure, scalable, and high-performing network solutions with a strong focus on AWS and Google Cloud Platform (GCP).

Responsibilities

• Define cloud network requirements, establish architecture, and create detailed designs and standards that meet business goals.
• Manage and support LAN/WAN implementations and configurations, including routing, switching, firewalls, wireless, voice, and video solutions.
• Provide leadership in managing network infrastructure and related support organizations, including MSPs, cloud providers, and communications vendors.
• Perform root-cause analysis and problem resolution; provide recommendations, build consensus, and execute solutions.
• Recommend appropriate courses of action to network infrastructure engineers, NOC, MSPs, and IT management on technical and operational issues

Essential skills and/or Certifications

• Bachelor’s Degree in Computer Science, Information Systems, or other related field
• Minimum 8 years of experience in network engineering
• Expert knowledge of enterprise-level cloud architecture with a focus on network design and
  implementation (AWS and GCP, with a focus on GCP).
• Networking certifications such as CCNA, CCNP, or equivalent is preferred
• Expert knowledge of network infrastructure, protocols, and standards; VPN access; firewalls;
  proxies; and other security appliances and solutions.
• Thorough knowledge of Cisco routers and switches, HSRP, GLBP, VSS, multi-VRF, BGP, MPLS,
  OSPF, TCP/IP, DNS, NTP, SNMP, Cisco wireless (WLC & ISE), and Windows networking.
• Experience deploying and managing AWS VPCs and Direct Connect and enterprise-level GCP
  VPCs.
• Experience with high-level programming languages such as Python or Java, or familiarity with
  Infrastructure as Code (e.g., Terraform).
• Experience using Ansible to automate network configuration standardization.
• Understanding of NOC operations and the ability to manage day-to-day incidents and problem
  resolution.
• Experience implementing proactive network management and monitoring solutions.
• Strong knowledge of business environments, network and security infrastructure, and supported
  services.
• Strong problem management skills, including risk identification, assessment, and corrective action
  planning.
• Leadership ability to create vision, scope, and plans for future network and security infrastructure
  requirements.
• Ablility to translate business and product needs into resilient technical solutions.
• Self-motivated with ability to manage multiple concurrent projects.
• Experience managing multiple vendors, reviewing new features, and negotiating as needed.
• Ability to lead network deliverables and provide technical leadership and cross-training to less
  experienced engineers.
• Ability to participate in a support rotation schedule, including weekends, to support the
  organization’s technologies and infrastructure.
• Proficiency in Microsoft Office Suite skills
• Show an ownership mindset in everything you do. Be a problem solver, be curious and be
  inspired to take action. Be proactive, seek ways to collaborate and connect with people and
  teams in support of driving success.
• Continuous growth mindset, keep learning through social experiences and relationships with
  stakeholders, experts, colleagues and mentors as well as widen and broaden your competencies
  through structural courses and programs.
• Where applicable, fluency in English and languages relevant to the working market.

Pursuant to Polish pay transparency requirements, candidates will receive information about remuneration for this position at the appropriate stage of the recruitment process and before employment is established. Actual compensation decisions for base salary and other compensation will be dependent upon a wide range of factors including but not limited to: an individual’s skill sets, experience, qualification, training, education, location, and any other legally permissible factors. Successful applicants will also be eligible for D&B’s benefit package.

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Official communication from Dun & Bradstreet will come from an email address ending in @dnb.com.

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