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Senior Network Engineer Cisco Juniper Jobs in Illinois

... times) Senior Network Engineer- -focus on data and network, Layer Systems and Cisco Project ... Juniper, Arista, Aruba, Silverpeak. • BGP, OSPF, EIGRP, Layer2/Layer 3, STP, SNMP. • Solarwinds ...

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Senior Network Engineer

Chicago, IL · On-site

$50 - $60/hr

Senior Network Engineer | Azure & Cloud Network Specialist Location: Illinois (Hybrid - 3 Days ... Design, implement, and manage enterprise-level network infrastructure using Cisco routing and ...

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Senior Network Engineer

Chicago, IL · On-site

$50 - $60/hr

Senior Network Engineer | Azure & Cloud Network Specialist Location: Illinois (Hybrid - 3 Days ... Design, implement, and manage enterprise-level network infrastructure using Cisco routing and ...

Senior Network Engineer

Chicago, IL · Hybrid

$107.20K - $146.90K/yr

Senior Network Engineer Rate: Open Location: Chicago, IL/ Houston, TX / Salt Lake City, UT *This ... Cisco CCNA/CCNP, Azure Network Engineer Responsibilities * Oversee switching, routing, firewalls ...

Sr. Network Engineer

Chicago, IL · On-site

$94K - $130K/yr

Network Engineer At Early Warning, we've powered and protected the U.S. financial system for over ... Cisco VPN * Juniper equipment * Dell servers * Strong understanding of common network monitoring ...

Senior Network Engineer

Barrington, IL · Hybrid

$103.40K - $141.70K/yr

We are seeking a skilled Sr. Network Engineer with proven experience in Cisco networking technologies and a strong background in network security. This role is responsible for the design ...

Senior Network Engineer

Barrington, IL · Hybrid

$103.40K - $141.70K/yr

We are seeking a skilled Sr. Network Engineer with proven experience in Cisco networking technologies and a strong background in network security. This role is responsible for the design ...

Senior Network/Security Engineer

Deerfield, IL · Hybrid

$59.50 - $77.75/hr

Senior Network/Security Engineer REPORTS TO: Director, Network/Security Services LOCATION ... Juniper/F5 certifications a plus * Experiences in services organization a plus * Cisco CCNP ...

Senior Network/Security Engineer

Deerfield, IL · On-site

$59.50 - $77.75/hr

Senior Network/Security Engineer REPORTS TO: Director, Network/Security Services LOCATION ... Juniper/F5 certifications a plus * Experiences in services organization a plus * Cisco CCNP ...

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Senior Network Engineer Cisco Juniper information

What are the key skills and qualifications needed to thrive as a Senior Network Engineer specializing in Cisco and Juniper technologies, and why are they important?

To thrive as a Senior Network Engineer with a Cisco and Juniper focus, you need deep knowledge of networking protocols, advanced troubleshooting skills, and a relevant degree or equivalent experience, often supported by certifications like CCNP, CCIE, or JNCIP/JNCIE. Proficiency in configuring and managing Cisco IOS, Juniper Junos, network monitoring tools, and security appliances is essential. Strong analytical thinking, effective communication, and the ability to mentor junior staff are standout soft skills. These competencies ensure reliable, secure, and scalable network infrastructures critical to business operations.

What are some common challenges faced by Senior Network Engineers working with both Cisco and Juniper environments?

Senior Network Engineers who manage both Cisco and Juniper platforms often encounter the challenge of maintaining proficiency across two distinct operating systems and command-line interfaces. Integrating devices from both vendors can require customized configurations and a deep understanding of interoperability protocols. Additionally, troubleshooting issues in a mixed-vendor environment can be more complex due to differences in features, firmware updates, and support documentation. Effective communication with cross-functional teams and ongoing professional development are key to overcoming these challenges.

What does a Senior Network Engineer specializing in Cisco and Juniper do?

A Senior Network Engineer with expertise in Cisco and Juniper is responsible for designing, implementing, and maintaining complex network infrastructures using devices and technologies from both vendors. They troubleshoot advanced networking issues, optimize network performance, and ensure security and reliability across enterprise systems. These professionals may also lead network projects, mentor junior engineers, and collaborate with other IT teams to support organizational goals.

What is the difference between Senior Network Engineer Cisco Juniper vs Network Administrator?

AspectSenior Network Engineer Cisco JuniperNetwork Administrator
CertificationsCCNA, CCNP, Juniper JNCIA/JNCISCCNA or equivalent
Work EnvironmentDesign, implementation, troubleshooting complex networksNetwork maintenance, monitoring, user support
ResponsibilitiesAdvanced network configuration, performance optimizationNetwork setup, daily operations

The Senior Network Engineer Cisco Juniper focuses on designing and troubleshooting complex network systems using Cisco and Juniper equipment, requiring advanced certifications. In contrast, Network Administrators handle routine network maintenance and support. While both roles work within similar environments, the senior engineer's responsibilities are more strategic and technical.

What are the most commonly searched types of Network Engineer Cisco Juniper jobs in Illinois? The most popular types of Network Engineer Cisco Juniper jobs in Illinois are:
What are popular job titles related to Senior Network Engineer Cisco Juniper jobs in Illinois? For Senior Network Engineer Cisco Juniper jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Senior Network Engineer Cisco Juniper jobs in Illinois look for? The top searched job categories for Senior Network Engineer Cisco Juniper jobs in Illinois are:
Network Engineer

Network Engineer

Apex Informatics

Chicago, IL • On-site

Full-time

Posted 7 days ago


Job description

Client: Northern Trust Bank
Location: Hybrid onsite in Chicago (local only)
Interview Mode: Virtual Interview
Type: Contract
Work authorization: Cannot work with OPT or CPT
Rate: 50/hr W2
Focus is on data and network, Layer Systems and Cisco
Local to Chicago
Must be onsite (3 days a week, could be 5 at times)
Senior Network Engineer-
-focus on data and network, Layer Systems and Cisco
Project Overview: The Contractor will have experience of working in high impact, mission critical environments where service matters and exceeding expectations is the norm.
Contractor' Role: Reporting to the Network Manager, the Senior Network Engineer is seen as a technical expert in Network Engineering infrastructure. This is a technical and hands on role, with a primary focus on design, implementation and support of network engineering changes; you will be expected as well to provide support to the network management and performance operations team with complex troubleshooting of issues as required.
Key responsibilities
The Senior Network Engineer's primary areas of responsibility include ensuring there are defined standards in place, manage the technical lifecycle of products and services and deliver change/transformation against created designs; always ensuring a smooth transition/handover to Network Operations.
Qualifications:
• 10+ years hands on experience as a network engineering lead within a global enterprise scale organization (5,000-50,000 users) with both traditional Datacenter and Cloud (Azure/AWS).
• You will have considerable first-hand experience of design engineering and building resilient and scalable engineering solutions, ideally within finance or investment banking.
• Strong background in Cisco, Juniper, Arista, Aruba, SDWAN, routing switching, datacentre infrastructure and technologies.
• Solid knowledge of configuration automation tools such as Ansible, Yaml, Chef, Puppet, Terraform.
• In depth knowledge of Layer 2, Layer 3, TCP/IP, and network protocols such as Ether-Channel (LACP,MC-LAG), Virtual Chassis, STP and SNMP.
• Solid understanding of routing protocols such as BGP, OSPF, EIGRP, RIP, MBGP, VXLAN, TCP/IP and IPv6.
• Solid understanding of Datacenter Spine/leaf architectures using Cisco ACI or Arista spine/leaf, or others.
• Familiarity with SDWAN infrastructure such as Silverpeak.
• Familiarity with Layer 3, 4 and 7 load balancing methodologies and protocols as well as experience with highly available network and system architectures.
• Knowledge of 801.11a/g/n/ac Cisco WLC, WLAN, CAPWAP,LWAPP and other Wireless technologies.
• Experience with Cisco IOS/NX-OS/ASA-OS, JunOS, ArubaOS and/or Arista
• Solid knowledge in the use of various monitoring tools and packet capture tools such as Solarwinds Orion NCM/NPM, Wireshark, Gigamon, Netscout, Cisco DNA, etc.
• Good in software development lifecycle, ITIL, Agile, Kanban process
• You will be familiar with a variety of testing tools, networking technologies and techniques to accurately troubleshoot and resolve complex technical problems associated with the service, application and network hardware and software.
• Cisco Routing & Switching. Juniper, Arista, Aruba, Silverpeak.
• BGP, OSPF, EIGRP, Layer2/Layer 3, STP, SNMP.
• Solarwinds Orion NCM/NPM, Netscout, Gigamon and Wireshark.
• Cloud automation Azure/AWS
• Ansible and/or Puppet automation tools. Python scripting.
• Workflow automation
• Layer 2 and Layer 3 and Layer 4-7 protocols
• WAN Optimization
• DNS, IPAM and DHCP
Personal Attributes
• You will be highly organized and have proven ability to operate well under pressure, working to tight deadlines
• You will have good problem management and customer service skills.
• You will have a positive attitude and be capable of remaining positive even when under immense pressure.
• You will be able to work with global teams to deliver projects, often at pace and under challenging circumstances.
• You are someone with high professional standards, who never accepts the status-quo; who challenges why things are done the way they are.
• You will be a strong communicator, both written and verbal
• You discourage hero culture and ensure the team always comes before the individual, although always ensuring for the welfare of staff at all times.
• You will always act with integrity and embrace the philosophy of treating our customers fairly (compulsory)
• You will work effectively as one IT community across the regions and the business
• You will embrace the philosophy and principles of group IT
• You understand and apply Northern Trust's working practices, policies and procedures
Nice to haves:
• Cisco ACI
• CCIE
• Wireshark and high skilled troubleshooting tools.
• JNCIA-Junos
• CWNA
• ITILv3 foundation or higher
• Cisco CCNP Networks
Tasks & Responsibilities
• Responsible for defining and documenting Network Engineering Standards
• Responsible for the creation of Low Level Design documents to meet requirements outlined in the High Level Design
• Responsible for the creation of detailed Implementation Plans for all engineering related activity
• Responsible for Procurement activities relating to build and delivery of new services (Project)
• Responsible for ensuring the smooth Transition/Handover to Operations in line with agreed Operational Acceptance Process
• Responsible for managing Technical Lifecycle Management for all Network & Communications services
• Responsible for supporting Architecture in creation and upkeep of a Delivery Roadmap for Network Engineering
• Responsible for supporting the Architecture in scoping activities required to produce the High Level Design
• Responsible for supporting Architecture in undertaking Proof of Concept activities
• Responsible for ensuring skillsets are relevant and up to date in order to deliver change and provide a high level of support
• Responsible for providing escalation support to Operations with complex troubleshooting of Major Incidents as required
• Provide on call escalation support (rota basis) and work extended hours as and when required