96 Nokia jobs in Naperville

Network Engineer

Corporate Headquarters

12575 Uline Drive, Pleasant Prairie, WI 53158

Keep Uline connected. As a Network Engineer at Uline, youll play a key role in designing and supporting the communication systems behind one of the largest ecommerce operations in the U.S. Join a high-performing IT team and help drive innovation across our growing network.

Careers Packed with Potential. Backed by 45+ years of success, Uline offers opportunities to grow your career with stability you can count on.

Position Responsibilities

• Design, implement and maintain network infrastructure across Ulines operations.

• Support and optimize routing and switching systems.

• Recommend solutions that align with evolving business needs.

• Establish standards to ensure IT infrastructure performance, reliability and security.

Minimum Requirements

• Bachelors degree in information technology, computer science or a related field.

• 3+ years of experience with demonstrated ability to perform in a matrix and global organization.

• Hands-on experience with Cisco networking technologies; CCNA or CCNP certification preferred.

• Strong collaboration, problem-solving and communication skills.

• Available for travel to Ulines North American locations.

Benefits

• Complete health insurance coverage and 401(k) with 6% employer match that starts day one!

• Multiple bonus programs.

• Paid holidays and generous paid time off.

• Tuition Assistance Program that covers professional continuing education.

Employee Perks

• On-site caf and first-class fitness center with complimentary personal trainers.

• Over four miles of beautifully maintained walking trails.

About Uline

Uline, a family-owned company, is North Americas leading distributor of shipping, industrial, and packaging materials with over 9,000 employees across 14 locations.

Uline is a drug-free workplace. All positions are on-site.

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Cognizant is looking for a test lead engineer that has AVAYA PBX experience, LINUX experience with shell scripting, IP networking, IP addressing scheme, subnetting, call routing, signaling protocols (such as SIP/ISDN), knowledge of DHCP and understanding of how it works, IMS Core, SIP/VoIP call flow process for testing and validation. Should have knowledge in Wireshark tool for trace analysis.

A leading proprietary trading firm in Chicago is seeking a Network Engineer to design, optimize, and maintain their mission-critical low latency networks.

Key Responsibilities:

* Develop and optimize low-latency network solutions for trading systems.

* Manage and enhance multicast networks for efficient market data distribution.

* Monitor and troubleshoot network performance to ensure reliability and speed.

* Collaborate with traders and developers to align network systems with trading needs.

* Automate network tasks and configurations using Python scripting.

* Plan for network scalability and ensure security compliance.

Required Skills:

* Expertise in low-latency networking, multicast (e.g., PIM, IGMP), and TCP/IP protocols.

* Strong experience with network hardware (Arista, Cisco, Juniper) and tools like Wireshark.

* Proficiency in Python for scripting and automation.

* Bachelor's degree in computer science or related field or equivalent experience.

Preferred:

* Knowledge of Linux networking, market data protocols, or FPGA-based systems.

This role must sit in the firms Chicago office working in a hybrid model of 3 days in office per week. At this time the team is unable to provide visa sponsorship.

The Network Engineer role is responsible for designing, implementing, and maintaining the company's network infrastructure to ensure optimal performance, security, and availability. This includes managing network hardware, software, and communication links, as well as troubleshooting network issues and providing technical support.

What You Will Be Doing:

• Oversee the daily operations of the network infrastructure, including monitoring network performance and troubleshooting issues.
• Design and implement network solutions infrastructure, including enterprise-level routers / switches / firewalls / VPNs / access points / VoIP systems.
• Install servers, software and other devices on the Network according to schedule or as requested,
• Monitor network performance and troubleshoot issues to ensure minimal downtime.
• Maintain and update network hardware and software to ensure optimal performance.
• Collaborating with IT leadership and business partners
• Troubleshoot malfunctions of network hardware and software applications, telephones and security systems to resolve operational issues and restore services.
• Provide 24/7 availability and participate in on-call rotation
• Maintain network documentation
• Provides support and incident remediation both on and off-site as well as remote access
• Develop and implement Standard Operating Procedures (SOPs), architectural diagrams, and data flows.
• Provide ongoing support in a 24x7x365 environment.
• Assist with day-to-day support when required.
• Other duties may be assigned, directed, or requested.

What You Will Need:

• Bachelor's degree in Business or a related field is required.
• Two (2) to four (4) years' experience with network engineering principles and practices including TCP/IP, DNS, SNMP, WAN technologies, VLANs and LAN switching and routing are required.
• Experience in LAN, WAN, security design, configuration and administration including firewall and VPN technologies is required.
• Three (3) to five (5) years' experience with system administration including server-side development, building and maintaining Hyper-V, Microsoft Active Directory and server systems hardware and architecture is required.
• Knowledge and experience with Microsoft Azure are preferred.
• Knowledge and experience of storage area networks is preferred.
• Strong collaboration, analytical, and organizational skills.
• Proven influence skills, both verbally and via presentations.
• Ability to read, interpret, and prepare documents such as instructions and procedure manuals.
• Strong to advanced experience in Microsoft Excel, Word, PowerPoint, and Outlook is required.
• Must have excellent communication skills, both written and verbal.
• Ability to speak with all levels of the organization and outside partners.
• Ability to communicate complicated information to others.
• Ability to read and interpret, and also to prepare documents such as instructions and procedure manuals.
• Remains open to the ideas of others and exhibits a willingness to try new things.
• Ability to apply common sense understanding to carry out instructions furnished in written, oral, or diagram form.
• The noise level in the work environment is usually moderate at low decibels.
• Must be able to work in a fast-paced, team environment.

Salary: $85,000.00 - $92,000.00

ReaderLink is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, protected veteran status, or status as an individual with a disability. EOE/Minority/Female/Disabled/Veteran.

ReaderLink is committed to recruiting, hiring and promoting people with disabilities and veterans.If you need an accommodation to assist with completing the electronic application, please email your request to (emailprotected), or call: .

ReaderLink is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. EOE/Minorities/Female/Disabled/Veteran.
ReaderLink is committed to recruiting, hiring and promoting people with disabilities and veterans. If you need an accommodation to assist with completing the electronic application, please email your request to (emailprotected), or call: .

• Design network solutions for TMG's automated trading infrastructure
• Implement and maintain a high availability, low latency network infrastructure
• Troubleshoot network and network related issues
• Collaborate with other team members on new technology solutions
• Work with other teams within the firm to address technological issues
• Proactively monitor the network and provide capacity planning
• Participate in the on-call support rotation and some weekend work
• Mentor junior engineers from a technical perspective

• Seasoned engineer, ideally with a CCIE, experience building and maintaining production financial/trading networks
• Experience with multicast and unicast routing protocols (TCP/IP, PIM, BGP, OSPF)
• Experience with the design, deployment, and operation of modern IP multicast networks
• Working knowledge of low latency networking concepts
• Experience with firewall administration and site to site VPN
• Some hands-on required for data center work
• Deep understanding of the TCP/IP stack
• Experience with packet capture and tcpdump analysis tools
• Knowledge of high accuracy timing protocols
• Experience with network management software and tools
• Scripting language experience such as python for network automation, testing, and troubleshooting
• Effective communication and interpersonal skills
• This position requires physical presence and is onsite (no remote work)

• Network Engineer with 3-5 years of experience who will be part of the global Network service team, to design, implement and maintain a robust, reliable and secured network infrastructure service, to support Group business activities.
• Cisco Certified Network Professional (CCNP) certification is required.
• Fluent in Mandarin is a big plus.

• Design and deploy from site structure cabling to local area networks (LANs), wide area networks (WANs), into a standard ubiquitous global hybrid/cloud network service.
• Determine network service requirements and recommend architecture/solutions.
• Install, configure, and test networking equipment.
• Assess latest network technology's feasibility for adoption.
• Implement and maintain network security measures (Firewalls, IDS, VPN).
• Conduct regular network security audits and vulnerability assessments, identifying and addressing potential vulnerabilities.
• Respond to security incidents, investigate, and mitigate network security breaches, and develop incident response plans.
• Monitor and analyze network performance, identify and improve bottlenecks.
• Resolve network issues to ensure high service availability.
• Optimize network performance with QoS, traffic shaping, and bandwidth management.
• Create and maintain detailed network documentation, including network diagrams, configuration records, and standard operating procedures.
• Generate regular reports on network performance, security incidents, and capacity planning.
• Structure network solution in a scalable service, delegate transactional / operational into automation and/or external augmentation services (e.g. NOC), to intensify pace of Group network solution evolution and optimization.
• Collaborate with cross-functional teams to ensure network infrastructure aligns with business requirements.
• Provide technical support and guidance to end-users and other IT teams, troubleshoot network-related issues.

• You treasure personal interactions as the key to a productive working environment, and that some calls just have to be made in international hours to build team-work.
• People go to you for not only your problem-solving process, but also in how dependable you are to help address their needs.
• You base your decisions on facts and data, and you enjoy coming up with solid business proposals with clear logic for decisions.
• You are passionate of the latest networking technologies and enjoy envisioning practical feasibilities in your work environment.
• You are meticulous in documentation; it is in your blood as a professional to ensure design deployments and architectures are well captured in drawings and procedures.

• Networking solutions: SD-WAN, on-premises LAN switch (Cisco, Fortinet), Wi-Fi, WAN (BGP, OSPF, SD-Wan), VLAN, global IP address management/planning, DNS/DHCP management, VPC, CDN
• Cloud Network certifications such as AWS Certified Advanced Networking - Specialist, Azure Networking Associate, or Google Cloud Professional Network Engineer
• Structure cabling know-how and coordination experiences
• Network monitoring, log aggregation/analysis solutions
• IT Service Management: ITILv4 foundation
• Network security solutions: cloud-based firewall, firewall/Palo Alto, ZTNA/SASE, URL Filtering, Remote VPN management, deployment experiences

• Bachelor's degree in Computer Science, Information Technology, or a related field
• 3-5 years minimum of experience working as a Network Engineer (7+ preferred)
• Multinational / culture working environment will be a plus

• Creating network blueprints, selecting hardware and software, and configuring network components like routers, switches, and firewalls.
• Monitoring and optimizing network performance, identifying and resolving issues, and performing routine maintenance and upgrades.
• Implementing security measures to protect the network and data from unauthorized access and cyber threats.
• Ensuring network performance meets the needs of users, troubleshooting bottlenecks, and optimizing network configurations.
• Creating and maintaining network documentation, generating reports on network performance, and providing status updates to stakeholders.
• Working with other IT professionals, vendors, and users to address network needs and resolve issues.

• Strong knowledge of networking protocols (TCP/IP, DNS, DHCP), routing and switching, firewalls, wireless technologies, and network security principles.
• Ability to analyze complex problems, identify root causes, and develop effective solutions.
• Ability to effectively communicate technical information to both technical and non-technical audiences.
• Ability to manage multiple tasks, prioritize work, and meet deadlines.
• Experience with network monitoring tools, configuration management tools, and security tools.

• Education and Experience:
• Bachelor's degree in Computer Science, Computer Networking, or related field; or equivalent hands-on experience.
• Minimum of 5 years of experience in network engineering in addition to the 'equivalent hands-on experience' required in replacement of a bachelor's degree.
• 5+ years of experience in multi-site networks supporting 5000+ end points
• Self-starting attitude looking to take ownership of managing the environment.
• Well versed in ITIL concepts
• Experience with Linux or Unix is a plus
• Experience working with ServiceNow is preferred
• Relevant certifications, such as Cisco Certified Network Professional (CCNP) , CompTIA Network+ , or equivalent are preferred.

Job Summary

We are seeking a highly skilled Network Engineer with deep expertise in Juniper Networks, especially with Mist Cloud and Marvis AI, along with hands-on experience managing Palo Alto firewalls. This role is critical in supporting key infrastructure initiatives, troubleshooting complex issues, and optimizing network performance to ensure seamless connectivity across our enterprise environment.

Key Responsibilitie s