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Layer3 Jobs (NOW HIRING)

TCP/IP, DHCP, DNS, SNMP, IPFIX, IPV4/IPV6, CGNAT, Ethernet, Layer2 (RSTP/MSTP, VLANs, etc.), Layer3 (IP Routing, OSPF, BGP, etc.), MPLS (L2-VPN, L3-VPN) and networking management. * Familiarity with ...

Passionately share the MGT/Layer3 story and represent our professional services and technology partner products * Hunter's mentality, dedication, and aptitude for learning new technologies * Maintain ...

OR · On-site

$436K - $791K/yr

Solid understanding of Layer3/Layer4 networking, and network security is a plus. * Exceptional written and verbal communication skills. Generally, our compensation structure consists solely of an ...

Solid understanding of Layer3/Layer4 networking, and network security is a plus. * Exceptional written and verbal communication skills. Generally, our compensation structure consists solely of an ...

Solid understanding of Layer3/Layer4 networking, and network security is a plus. * Exceptional written and verbal communication skills. Generally, our compensation structure consists solely of an ...

OR

$436K - $791K/yr

Solid understanding of Layer3/Layer4 networking, and network security is a plus. Exceptional written and verbal communication skills. Generally, our compensation structure consists solely of an ...

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Layer3 information

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$12

$20

$28

How much do layer3 jobs pay per hour?

As of May 31, 2026, the average hourly pay for layer3 in the United States is $20.24, according to ZipRecruiter salary data. Most workers in this role earn between $17.07 and $22.60 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Layer 3 Network Engineer, and why are they important?

To thrive as a Layer 3 Network Engineer, you need a solid understanding of networking protocols (such as OSPF, EIGRP, and BGP), routing concepts, and typically a degree in computer science or a related field. Experience with network hardware (routers, switches), network monitoring tools, and certifications like Cisco CCNP or Juniper JNCIS are commonly required. Strong problem-solving abilities, attention to detail, and effective communication are vital soft skills for this role. These skills and qualifications are essential to ensure secure, efficient, and reliable network performance in complex IT environments.

What are some common challenges faced by Layer3 network engineers, and how can they be addressed?

Layer3 network engineers often encounter challenges such as managing complex routing protocols, troubleshooting network congestion, and ensuring seamless integration between different network layers. Staying current with evolving technologies and maintaining strong documentation practices can help address these issues. Collaboration with cross-functional teams, such as security and systems administrators, is also crucial to quickly identify and resolve network anomalies. Continuous learning and hands-on experience with network simulation tools can further enhance problem-solving skills in this role.

What are Layer3 jobs?

Layer3 jobs typically refer to positions that involve working with the network layer (Layer 3) of the OSI model, which is responsible for routing data packets between devices across different networks. Professionals in these roles often manage routers, configure IP addressing, and implement routing protocols to ensure efficient and secure data transmission. Common job titles include network engineer, network administrator, and network architect. These roles are critical in designing, maintaining, and troubleshooting complex network infrastructures for organizations.

What is the difference between Layer3 vs Network Engineer?

AspectLayer3Network Engineer
Required CertificationsCCNA, CCNP, CompTIA Network+CCNA, CCNP, CompTIA Network+
Work EnvironmentData centers, enterprise networks, ISPsCorporate offices, data centers, service providers
Industry UsageNetworking hardware, routing, switchingNetwork design, implementation, troubleshooting

Layer3 specialists focus on routing, switching, and network infrastructure at the OSI model's third layer, often working with routers and switches. Network Engineers also handle network design and troubleshooting but may have a broader scope including network security and infrastructure planning. Both roles require similar certifications and work environments, but Layer3 roles are more specialized in routing protocols and network hardware configuration.

More about Layer3 jobs
What cities are hiring for Layer3 jobs? Cities with the most Layer3 job openings:
What states have the most Layer3 jobs? States with the most job openings for Layer3 jobs include:
Infographic showing various Layer3 job openings in the United States as of May 2026, with employment types broken down into 75% Full Time, 16% Part Time, and 9% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $42,102 per year, or $20.2 per hour.
Network Engineer -SR Advisor I

Network Engineer -SR Advisor I

Fiserv, Inc.

Berkeley Heights, NJ • On-site

$146K - $244.80K/yr

Full-time

Posted 14 days ago


Fiserv rating

7.6

Company rating: 7.6 out of 10

Based on 85 frontline employees who took The Breakroom Quiz

106th of 138 rated financial services


Job description

Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Network Engineer -SR Advisor I
Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
What does a successful Network Engineer, Sr. do at Fiserv?
A qualified candidate can expect a fast paced, challenging & rewarding role in delivering a variety of Network, Security, Cloud, Virtualization, SDN & Automation technologies. Candidates should expect to be an integral part of Fiservs' many transformative initiatives that will institute automated self-service solutions to efficiently deliver on internal & external customer demands.
What you need to have
  • Excellent communication skills (written/verbal) to properly articulate complicated Network/Security designs to Management and Business partners
  • Meticulous documentation & task/time management skills
  • Practical knowledge of Industry standard Network/Security best practices & solutions
  • Excellent diagnostic skills in troubleshooting complex Networking technologies throughout all layers of the OSI model
  • Experience with Multi-Tenant & Multi-Data-Center deployments
  • Expert in tuning and diagnosing dynamic routing protocols and associated attributes for complex route manipulation
  • Experience in designing/deploying/maintaining highly available Underlay & Overlay Networking & Security constructs (MPLS, eVPN, VxLAN)
  • Experience with Software Defined Networking solutions (SDWAN, NFV, Cloud Provider Peering)
  • Experience with Coding & related Automation technologies
  • Experience in provisioning/protecting/maintaining Internet peering points, Public IP Management and DDOS services
  • Experience in Automating Network and/or Security deployments & functions in a Multi-Tenant/Multi-Data-Center environment
  • Experience in Coding/Scripting languages (Python, Ansible, Powershell, Netmiko, Netconf, Napalm, Jinja, Yaml, JSON, API's)
  • Functional understanding of PCI/DSS controls, protections & best practices
  • Experience in deploying/diagnosing the following protocols & functions: IP, TCP, UDP, DNS, DHCP, HTTP/S, VLANs, MPLS, IPSEC, DMVPN, BGP, OSPF, EIGRP, VRF, VxLAN, RPKI, eVPN, VRRP, MLAG, VPC, STP, Anycast, IPSEC, SSL, TLS

What would be great for you to have
  • Experience in deploying & maintaining large scale L2 & L3 DataCenter Networks
  • Experience with Cisco (IOS/XE & NXOS) and Arista (EOS) DataCenter equipment
  • Layer1 & 2 Protocols (Spanning-Tree modes and modifications, Trunking, MLAG/VPC)
  • DataCenter Fabric deployment types (FabricPath, VxLAN, EVPN)
  • Interconnecting disperse DataCenter Fabric technologies (VxLAN, EVPN)
  • Layer3 Routing Protocols and Network Routing techniques (BGP, OSPF, EIGRP)
  • Deploying/Managing Complex BGP routing policies
  • Experience with VMWare platforms and Networking (VMotion, HCX, FXRails, VxRails)
  • Experience with Automation Toolsets, Scripting & Config Templating (GitLab, Python, Jinja, Netbox, Vendor API's)
  • Experience in the financial services industry

Salary Range
$146,000.00 - $244,800.00
These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company's sole discretion.
Thank you for considering employment with Fiserv. Please:
  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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