Network Engineer at Celestica International Inc.

📍 Job Overview

Job Title: Specialist, IT Infrastructure
Company: Celestica International Inc.
Location: Oradea, Romania
Job Type: Hybrid
Category: Network Engineer
Date Posted: 2025-06-06
Experience Level: 5-10 years
Remote Status: On-site (Hybrid)

🚀 Role Summary

Key Responsibilities: Maintain, upgrade, and improve the site's network operating environment, ensuring reliability, performance, and security. Monitor and maintain network devices, respond to incidents, plan for growth, and deploy new technologies.
Key Skills: Strong customer service orientation, analytical and problem-solving skills, leadership and teamwork skills, knowledge of networking concepts, infrastructure service management, monitoring tools, data center design, and cloud migration.

📝 Enhancement Note: This role requires a balance of technical expertise and strong customer service skills to manage network infrastructure and maintain customer relationships.

💻 Primary Responsibilities

Network Maintenance & Support: Install, maintain, configure, and troubleshoot network hardware, routers, switches, wireless access points, and SD-WAN devices. Manage and monitor various network devices, including Cisco, Aruba, and open-source network devices.
Network Performance Monitoring: Document network performance metrics, explore new solutions, and manage change requests. Ensure network devices meet SLA targets and capacity management requirements.
Customer Relationship Management: Foster and develop trusting relationships with customers and internal resources. Be the customer advocate and manage external service providers.
Project Planning & Execution: Plan and execute network projects, including the acquisition, provisioning, and decommissioning of related equipment, software, and services. Formally document change requests and manage changes.

📝 Enhancement Note: This role involves a mix of proactive network management, reactive incident response, and customer relationship management, requiring strong organizational skills and adaptability.

🎓 Skills & Qualifications

Education:

Bachelor's Degree in Computer Science or a related field
Relevant certifications (CCNA, CCNP, MCSE)

Experience:

4-6 years of related experience, including experience in similar roles supporting Cisco equipment and software
2-4 years of experience in a similar technical analyst/network specialist role
Extensive experience with Cisco, Aruba, CheckPoint, and open-source network operating systems
Experience with data center design, security principles, and computing infrastructure

Required Skills:

Strong customer service orientation
Strong analytical, troubleshooting, and problem-solving skills
Excellent communication and leadership skills
Good project planning and teamwork skills
Extensive knowledge of networking concepts, including OSI layers, TCP/IP, VLAN, VxLAN, VPN, IPSec, GRE, LAN, WAN, 802.1x, VTP, Spanning-Tree, IP routing, BGP, OSPF, EIGRP, QoS, Trunking, and SD-WAN
Advanced knowledge of infrastructure service management and diagnostic tools
Hands-on experience with monitoring tools such as Solarwinds, Netscout, and Dorada Cruz
Understanding of IT infrastructure asset lifecycle management
Excellent understanding of IP addressing, subnetting, software-defined WAN (SD-WAN), VLAN, trunking, network routing protocols, and network access control (NAC)
Experience working in an enterprise data center environment and cloud migration experience (preferred)

Preferred Skills:

Experience with Cisco 6500, 2960x, 9300, 9500, and Nexus 5000, 7K, and 9K network devices
Experience with Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) Zero Touch Network Access

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Case studies demonstrating network design, implementation, and optimization projects
Documentation showcasing network performance metrics, monitoring tools, and change management processes
Evidence of customer relationship management and stakeholder communication

Technical Documentation:

Detailed network diagrams and schematics
Network configuration and deployment documentation
Network performance testing and optimization reports

📝 Enhancement Note: As this role involves managing complex network environments, a strong portfolio should demonstrate the candidate's ability to design, implement, and optimize networks, as well as manage network performance and customer relationships.

💵 Compensation & Benefits

Salary Range: The salary range for this role in Oradea, Romania, is approximately 25,000 - 35,000 RON (Romanian Leu) per year, based on market research and industry standards for network engineers with 5-10 years of experience.

Benefits:

Competitive benefits package, including health, dental, and vision insurance
Retirement savings plan with company matching contributions
Employee stock purchase plan
Tuition assistance and professional development opportunities
Employee discounts and wellness programs

Working Hours: Full-time position with standard working hours, including extended periods of sitting and sustained visual concentration on a computer monitor or detailed data. Repetitive manual movements, such as data entry and using a computer mouse, are frequently required.

🎯 Team & Company Context

🏢 Company Culture

Industry: Celestica operates in the electronics manufacturing services (EMS) industry, providing design, manufacturing, hardware platform, and supply chain solutions to leading companies in various sectors, including aerospace and defense, communications, enterprise, healthtech, industrial, capital equipment, and energy.

Company Size: Celestica is a global company with over 26,000 employees across 40+ locations in 13 countries. As a large organization, it offers opportunities for career growth and development.

Founded: Celestica was founded in 1993 and has since grown to become a recognized leader in its industry, providing solutions for complex challenges to leading brands worldwide.

Team Structure:

The network engineering team consists of specialists, senior specialists, team leads, and managers, working collaboratively to maintain and improve network infrastructure.
The team works closely with other IT teams, such as data center operations, cloud services, and cybersecurity, to ensure seamless network integration and security.

Development Methodology:

Celestica follows Agile methodologies, including Scrum, to manage network projects and ensure continuous improvement.
The company emphasizes code reviews, testing, and quality assurance practices to maintain high-quality network infrastructure.
Deployment strategies include CI/CD pipelines and automated deployment tools to streamline network updates and ensure minimal downtime.

Company Website: Celestica.com

📝 Enhancement Note: Celestica's large, global team structure offers network engineers opportunities to work on diverse projects, collaborate with various teams, and develop their skills and careers.

📈 Career & Growth Analysis

Web Technology Career Level: This role is at the specialist level, focusing on day-to-day network management, incident response, and customer relationship management. It provides a solid foundation for growth into senior specialist, team lead, or manager roles.

Reporting Structure: The specialist reports directly to the team lead or manager, with regular check-ins to discuss performance, growth opportunities, and career development plans.

Technical Impact: The network engineer has a significant impact on network performance, reliability, and security, ensuring seamless connectivity and minimal downtime for critical business applications and services.

Growth Opportunities:

Technical Skill Development: Celestica offers training and development opportunities to help network engineers expand their skills and knowledge in emerging technologies, such as 5G, IoT, and edge computing.
Technical Leadership: With experience and strong performance, network engineers can progress to team lead or manager roles, overseeing teams and driving strategic network initiatives.
Architecture & Design: As network engineers gain experience and expertise, they may transition into architecture roles, designing complex network solutions and driving strategic network decisions.

📝 Enhancement Note: Celestica's large, global team structure and diverse project portfolio provide network engineers with ample opportunities for career growth and development.

🌐 Work Environment

Office Type: Celestica's Oradea office is a modern, collaborative workspace designed to facilitate teamwork and innovation. The office features open-plan workspaces, meeting rooms, and breakout areas to support various work styles and team interactions.

Office Location(s): Oradea, Romania

Workspace Context:

Collaboration: The open-plan workspace encourages team interaction and collaboration, with ample opportunities for informal discussions and knowledge sharing.
Workstation Setup: Each workstation is equipped with dual monitors, ergonomic chairs, and high-speed internet connectivity to support productivity and comfort.
Meeting Spaces: The office features various meeting spaces, including conference rooms, huddle rooms, and phone booths, to accommodate both small and large team meetings.

Work Schedule: The hybrid work arrangement combines on-site and remote work, with employees expected to be present in the office for a minimum of two days per week. The work schedule is flexible, with core hours between 9:00 AM and 5:00 PM (EET). Remote work hours must align with the core hours and the employee's local time zone.

📝 Enhancement Note: Celestica's modern, collaborative workspace and flexible work arrangement support a healthy work-life balance and encourage productivity and innovation.

📄 Application & Technical Interview Process

Interview Process:

Phone Screen: A brief phone or video call to assess communication skills and cultural fit.
Technical Assessment: A hands-on technical assessment, focusing on network configuration, troubleshooting, and problem-solving skills.
On-site Interview: A face-to-face interview with the hiring manager and team members to discuss the role, career growth opportunities, and cultural fit.
Final Decision: A final decision is made, and the selected candidate is extended an offer.

Portfolio Review Tips:

Highlight network design, implementation, and optimization projects, demonstrating a deep understanding of network infrastructure and best practices.
Showcase customer relationship management and stakeholder communication skills, emphasizing the ability to build and maintain strong client relationships.
Present network performance metrics, monitoring tools, and change management processes, demonstrating a proactive approach to network management.

Technical Challenge Preparation:

Brush up on networking concepts, including OSI layers, TCP/IP, VLAN, VxLAN, VPN, IPSec, GRE, LAN, WAN, 802.1x, VTP, Spanning-Tree, IP routing, BGP, OSPF, EIGRP, QoS, Trunking, and SD-WAN.
Familiarize yourself with network monitoring tools, such as Solarwinds, Netscout, and Dorada Cruz.
Prepare for hands-on network configuration and troubleshooting exercises, focusing on real-world scenarios and problem-solving skills.

ATS Keywords: [See the comprehensive list of web development and server administration-relevant keywords for resume optimization, organized by category: programming languages, web frameworks, server technologies, databases, tools, methodologies, soft skills, industry terms]

📝 Enhancement Note: Celestica's interview process focuses on assessing technical skills, problem-solving abilities, and cultural fit, with a strong emphasis on real-world network scenarios and practical exercises.

🛠 Technology Stack & Web Infrastructure

Networking Technologies:

Cisco network devices (6500, 2960x, 9300, 9500, Nexus 5000, 7K, 9K)
Aruba network devices (switches, wireless access points, SD-WAN)
Open-source network devices (e.g., Cumulus, FRRouting)
Network operating systems (IOS, Firmware, Software)
Network protocols (TCP/IP, VLAN, VxLAN, VPN, IPSec, GRE, LAN, WAN, 802.1x, VTP, Spanning-Tree, IP routing, BGP, OSPF, EIGRP, QoS, Trunking, SD-WAN)

Monitoring & Management Tools:

Solarwinds
Netscout
Dorada Cruz
Cisco Prime Infrastructure
Aruba ClearPass
Cisco ISE

Collaboration & Productivity Tools:

Microsoft Office Suite (Word, Excel, PowerPoint)
Microsoft Teams
Jira
Confluence
Trello

📝 Enhancement Note: Celestica's technology stack includes a mix of industry-standard and open-source networking technologies, providing network engineers with exposure to various network devices, operating systems, and management tools.

👥 Team Culture & Values

Network Engineering Values:

Customer Focus: Prioritize customer needs and ensure network infrastructure meets or exceeds customer expectations.
Proactive Management: Proactively monitor and maintain network performance, addressing potential issues before they impact customers.
Continuous Improvement: Continuously seek opportunities to enhance network infrastructure, optimize performance, and adopt emerging technologies.
Collaboration: Work closely with other IT teams and stakeholders to ensure seamless network integration and customer satisfaction.

Collaboration Style:

Cross-functional Integration: Collaborate with data center operations, cloud services, and cybersecurity teams to ensure network infrastructure aligns with business needs and security requirements.
Code Review & Knowledge Sharing: Participate in code reviews and knowledge-sharing sessions to maintain high-quality network infrastructure and foster continuous learning.
Mentoring & Technical Leadership: Provide guidance and support to junior team members, fostering a culture of technical excellence and growth.

📝 Enhancement Note: Celestica's network engineering team values a customer-focused, proactive, and collaborative approach to network management, with a strong emphasis on continuous improvement and knowledge sharing.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Network Complexity: Manage complex network environments, including multiple network devices, operating systems, and protocols.
Performance Optimization: Continuously optimize network performance, ensuring minimal latency and downtime for critical business applications and services.
Security Threats: Identify and mitigate network security threats, maintaining a robust and secure network infrastructure.

Learning & Development Opportunities:

Emerging Technologies: Stay up-to-date with emerging network technologies, such as 5G, IoT, and edge computing, and explore opportunities to apply them within Celestica's network infrastructure.
Certification & Training: Pursue relevant certifications (e.g., CCNP, CCIE) and participate in training programs to enhance technical skills and knowledge.
Mentoring & Knowledge Sharing: Engage in mentoring relationships with senior team members and contribute to knowledge-sharing sessions to foster a culture of continuous learning and growth.

📝 Enhancement Note: Celestica's network engineering team faces various technical challenges, requiring strong problem-solving skills, continuous learning, and a proactive approach to network management. The team also offers ample opportunities for professional development and growth.

💡 Interview Preparation

Technical Questions:

Networking Concepts: Demonstrate a deep understanding of networking concepts, including OSI layers, TCP/IP, VLAN, VxLAN, VPN, IPSec, GRE, LAN, WAN, 802.1x, VTP, Spanning-Tree, IP routing, BGP, OSPF, EIGRP, QoS, Trunking, and SD-WAN.
Network Configuration & Troubleshooting: Walk through real-world network configuration and troubleshooting scenarios, focusing on problem-solving skills and practical experience.
Network Security: Discuss network security best practices, including access control, encryption, and intrusion prevention.

Company & Culture Questions:

Celestica's Mission & Values: Explain how your personal values align with Celestica's mission and core values.
Customer Focus: Describe your approach to customer relationship management and ensuring network infrastructure meets or exceeds customer expectations.
Collaboration & Teamwork: Share examples of successful collaboration with other IT teams and stakeholders, highlighting your ability to work effectively in a cross-functional environment.

Portfolio Presentation Strategy:

Network Design & Implementation: Present network design and implementation projects, demonstrating your ability to create efficient, secure, and scalable network infrastructure.
Network Performance Optimization: Showcase network performance optimization projects, highlighting your ability to identify and address performance bottlenecks and enhance network efficiency.
Customer Relationship Management: Present case studies demonstrating your ability to build and maintain strong client relationships, ensuring network infrastructure meets or exceeds customer expectations.

📝 Enhancement Note: Celestica's interview process focuses on assessing technical skills, problem-solving abilities, and cultural fit, with a strong emphasis on real-world network scenarios and practical exercises. By preparing thoroughly and showcasing your technical expertise and customer focus, you can demonstrate your fit for the network engineering role and Celestica's company culture.

📌 Application Steps

To apply for this network engineering position at Celestica in Oradea, Romania:

Customize Your Resume: Highlight your relevant network engineering experience, technical skills, and customer relationship management abilities. Tailor your resume to emphasize your fit for the role and Celestica's company culture.
Prepare Your Portfolio: Showcase your network design, implementation, and optimization projects, demonstrating your technical expertise and customer focus. Include network performance metrics, monitoring tools, and change management processes to highlight your proactive approach to network management.
Practice Technical Exercises: Brush up on networking concepts, network monitoring tools, and network configuration and troubleshooting exercises. Practice real-world network scenarios and problem-solving skills to ensure you're well-prepared for the technical assessment.
Research Celestica: Familiarize yourself with Celestica's mission, values, and company culture. Prepare thoughtful questions to ask during the interview, demonstrating your interest in the role and the company.
Prepare for the Interview: Review the interview process, including phone screens, technical assessments, and on-site interviews. Prepare for each stage, focusing on your technical expertise, problem-solving abilities, and cultural fit.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Network Engineer