Jobs in the United States

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Added 7 mins ago
Lead Testing & Commissioning Engineer
TRC Companies, Inc.
Atlanta, GA
…and our clients in the power and energy, transportation and infrastructure, environmental, and property and buildings sectors. As part of our team, you’ll discover a world of opportunities…
Added 7 mins ago
Project Engineer III
TRC Companies, Inc.
New Brunswick, NJ
Must have reliable transportation · Must have a valid driver’s license and a clean driving record
Added 13 mins ago
Z
Senior Data Engineer
Zifo
Remote, United States
- $100,000 to $130,000 USD / year
Design, build, and operate the data infrastructure for a clinical trial design platform that extracts insights from clinical protocols, regulatory documents, and published articles to…
Added 14 mins ago
Senior Data Engineer
Jobgether
Remote, United States
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Data Engineer based in the United States.
Added 14 mins ago
J
CyberSecurity Engineer III
Jobgether
Remote, United States
- $120,000 to $180,000 USD / year
ITIL Foundation certification required
Added 16 mins ago
Staff Service Systems Engineer
Amperesand
Reno, NV · San Francisco, CA
We are facing a once-in-a-generation opportunity for infrastructure disruption. Electricity demand is skyrocketing, driven by AI factories, electric vehicles, and modern industrial growth.…
Added 16 mins ago
Staff Field Service Engineer
Amperesand
Reno, NV · San Francisco, CA
We are facing a once-in-a-generation opportunity for infrastructure disruption. Electricity demand is skyrocketing, driven by AI factories, electric vehicles, and modern industrial growth.…
Added 20 mins ago
Systems Engineer IV
Sprouts Farmers Market
Phoenix, AZ
The Systems Engineer IV is responsible for administering and maintaining the core IT infrastructure/platforms and providing day-to-day operational support and architectural oversight. This…
Added 28 mins ago
Instrumentation & Controls Engineer SME – Hyperscale Data Centers
Jacobs
Portland, OR
…define the next generation of high-performance data center infrastructure. Your guidance will shape both design delivery and our Design-Build delivery methodology across a fast-growing…
Added 30 mins ago
Desktop Engineer II
Yale New Haven Health
Stratford, CT
…ITOM, including Discovery, Service Mapping, CMDB governance, infrastructure visibility, and service dependency mapping. This individual will play a key role in advancing ITOM capabilities,…
Added 33 mins ago
O
Senior SQL Data Engineer
OpenDataJobs
Remote, United States
- $150,000 to $170,000 USD / year
Work with architects, developers, and data engineers, and move database changes through continuous integration and continuous delivery (CI/CD) and infrastructure as code.
Added 33 mins ago
O
CI/CD and Infrastructure Engineer
OpenDataJobs
Remote, United States
- $120,000 to $140,000 USD / year
At Peregrine Advisors, you will stand up and operate the delivery pipelines and cloud infrastructure that carry federal systems into production, keeping all of it secure and automated. But…
Added 33 mins ago
O
Associate DevSecOps Engineer (Python, CI/CD)
OpenDataJobs
Remote, United States
- $80,000 to $95,000 USD / year
…and continuous delivery (CI/CD) pipelines, and secure cloud infrastructure that keep federal systems running. But we hire people, not seats. As the work evolves, you will move to where the…
Added 36 mins ago
MC
Mechanical Engineer (Cloud Operations & Innovation)
Microsoft Corporation
Milwaukee, WI
- $85,400 to $183,700 USD / year
Microsoft’s Cloud Operations & Innovation (CO+I) is the engine that powers our cloud services. As a CO+I Mechanical Engineer , you will perform a key role in delivering the core…
Added 39 mins ago
Senior Civil Engineer (Geometric, Roads & Highways Design) | Talent Pool Expression of Interest
ZUTARI 2026
Lagos, LA
As a leading buildings, infrastructure engineering, and advisory practice with over 90 years of heritage across Africa and the Middle East, we work across the full infrastructure lifecycle…
Added 39 mins ago
Civil Engineer (Geometric, Roads & Highways Design) | Talent Pool Expression of Interest
ZUTARI 2026
Lagos, LA
This is an exciting opportunity for an engineer who is passionate about transportation infrastructure, digital innovation, and continuous improvement, and who wishes to develop their career…
Added 39 mins ago
Junior Civil Engineer (Geometric, Roads & Highways Design) | Talent Pool Expression of Interest
ZUTARI 2026
Lagos, LA
As a leading buildings, infrastructure engineering, and advisory practice with over 90 years of heritage across Africa and the Middle East, we work across the full infrastructure lifecycle…
Added 40 mins ago
RH
Infrastructure Engineer
Robert Half
Santa Barbara, CA
- $110,000 to $150,000 USD / year
We are seeking an experienced Senior IT Systems Engineer to take ownership of client IT environments, lead technical infrastructure projects, and serve as a trusted technical resource for…
Added 40 mins ago
RH
Network Engineer
Robert Half
Los Angeles, CA
- $140,000 to $160,000 USD / year
We are seeking an experienced Senior Network Engineer to take ownership of a complex, enterprise-wide network infrastructure supporting a large, multi-location organization. This is a…
Added 48 mins ago
Information Systems Security Engineer - TS/SCI
Parsons Corporation
Centreville, VA
We are seeking a highly skilled Information Systems Security Engineer (ISSE) / Cyber Systems Engineer to support our Department of Defense (DoD) system.
Added 48 mins ago
AV Programming/Commissioning Engineer 3 - Tysons, VA
M. C. Dean
Tysons, VA
…most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 9,000 employees, our capabilities span electrical, electronic security,…
Added 48 mins ago
Observability Pipeline Engineer
BOOZ, ALLEN & HAMILTON, INC.
McLean, VA
…the tele met ry underneath it. As an observability pipeline engineer on our team, you'll own the tele met ry that feeds logging, monitoring, and security analytics across commer cia l and…
Added 48 mins ago
Zero Trust C2C Engineer
BOOZ, ALLEN & HAMILTON, INC.
Arlington, VA
As a systems engineer on our team, you have the chance to design a varied set of cybersecurity solutions in support of defending our nation's critical infrastructure and federal assets.…
Added 49 mins ago
MX
Carpenter
Module X Solutions
Shreveport, LA
- $20 to $22 USD / hour
Initial training will be conducted on day shift for approximately 1–2 weeks from 5:00 AM – 3:30 PM
Added 56 mins ago
Plant Engineer IV - Regulatory Compliance Pressure Safety
Amentum
Richland, WA
Candidate must have excellent written and verbal communication skills · Candidate must have experience with Pressure Safety programs as well as applicable codes and standards

Closed listing

Senior Network Engineer

Nashville, TN, United States

Remote

The salary range for this role is between $99,000 and $116,000 depending on the skills and qualifications of the candidate .

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: The salary range for this role is between $99,000 and $116,000 depending on the skills and qualifications of the candidate .
Workplace: Remote
Experience: · 8+ years of enterprise network engineering experience, including at least 3 years in a senior or L3 role.
Posting language: English
Posted: Nov 5, 2026

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Original job description

Archived listing. The details below describe a past opening.

Cognizant is seeking a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise datacenter, campus, branch, wireless, and hybrid-cloud networks. This role requires advanced hands-on expertise in F5 BIG-IP, Palo Alto Networks, Cisco ACI, Cisco Nexus, Cisco Meraki, cloud networking, and enterprise DDI platforms. The engineer will serve as an L3 escalation point, lead major-incident troubleshooting, execute migrations and lifecycle upgrades, perform root cause analysis, and collaborate with security, cloud, application, server, and architecture teams.

Key Responsibilities

Network Engineering and L3 Operations

· Own complex P1/P2 incidents involving routing, switching, wireless, firewalls, load balancing, DNS, DHCP, IPAM, VPN, SD-WAN, and hybrid-cloud connectivity.

· Lead troubleshooting bridges, analyze packet captures and telemetry, restore service, document root cause, and implement permanent corrective actions.

· Prepare and execute implementation, validation, risk, dependency, and rollback plans for production changes and maintenance windows.

· Maintain network diagrams, standards, operating procedures, inventory, capacity plans, lifecycle roadmaps, and disaster-recovery documentation.

· Participate in on-call support, vulnerability remediation, compliance reviews, and vendor escalation activities.

F5 BIG-IP

· Configure and troubleshoot F5 BIG-IP LTM, including virtual servers, pools, nodes, monitors, profiles, SNAT, persistence, traffic policies, and SSL offload.

· Manage SSL/TLS certificates, ciphers, health checks, high availability, upgrades, backup, and recovery.

· Develop and troubleshoot iRules; experience with F5 DNS/GTM and Advanced WAF/ASM is preferred.

· Resolve latency, session persistence, SSL handshake, health-monitor, and traffic-distribution issues.

Palo Alto Networks

· Administer Palo Alto firewalls and Panorama, including zones, security policies, NAT, objects, App-ID, User-ID, URL filtering, threat profiles, and logging.

· Troubleshoot sessions, routing, policy matching, NAT, IPsec VPN, GlobalProtect, and application connectivity using logs, CLI tools, and packet captures.

· Perform PAN-OS upgrades, rulebase cleanup, recertification, migrations, and security-hardening activities.

Cisco ACI and Nexus

· Design and troubleshoot Cisco ACI fabrics using APIC, tenants, VRFs, bridge domains, application profiles, EPGs, contracts, filters, VMM integration, and L3Out.

· Configure Cisco Nexus 3K/5K/7K/9K platforms using VLANs, trunks, vPC, STP, HSRP, OSPF, BGP, VXLAN, and EVPN.

· Troubleshoot endpoint learning, contracts, routing adjacency, fabric health, interfaces, port channels, and Layer 2/Layer 3 connectivity.

· Support data-center migrations, segmentation, fabric expansion, software upgrades, and hardware refresh programs.

Cisco Meraki

· Design, deploy, and administer Cisco Meraki MX security appliances, MS switches, MR wireless access points, and the Meraki Dashboard.

· Configure Auto VPN, SD-WAN, traffic shaping, content and security policies, VLANs, DHCP, site-to-site VPN, client VPN, and high availability.

· Plan wireless networks using RF fundamentals, channel and power optimization, SSIDs, authentication, guest access, and roaming.

· Monitor organization and network health, analyze event logs and packet captures, manage templates and firmware, and troubleshoot branch, LAN, WAN, and Wi-Fi issues.

· Use Meraki APIs and automation workflows for inventory, configuration validation, monitoring, and large-scale deployment.

Cloud Networking

· Design and support Microsoft Azure and AWS connectivity across cloud and on-premises data centers.

· Azure: VNets, subnets, NSGs, UDRs, Load Balancer, Application Gateway, Azure Firewall, VPN Gateway, ExpressRoute, Private Link, and DNS.

· AWS: VPCs, subnets, route tables, Security Groups, NACLs, Transit Gateway, Elastic Load Balancing, Direct Connect, Route 53, PrivateLink, and Site-to-Site VPN.

· Troubleshoot asymmetric routing, overlapping address space, DNS, MTU, VPN, firewall, load-balancing, and cloud-to-data-center connectivity.

· Implement automation and Infrastructure as Code using Python, Ansible, Terraform, REST APIs, JSON, YAML, and Git.

DDI: DNS, DHCP and IPAM

· Administer enterprise DDI platforms, preferably Infoblox Grid, including DNS zones and records, DHCP scopes, reservations, failover, IPAM, and role-based access.

· Troubleshoot recursive and authoritative DNS, forwarding, delegation, DNSSEC, DHCP allocation, lease, and address-management issues.

· Maintain address plans, naming standards, DNS/DHCP resiliency, automation workflows, reports, upgrades, backups, and disaster-recovery procedures.

Required Qualifications

· Bachelor’s degree in computer science, Information Technology, Engineering, or equivalent practical experience.

· 8+ years of enterprise network engineering experience, including at least 3 years in a senior or L3 role.

· Advanced knowledge of TCP/IP, IPv4/IPv6, VLANs, STP, vPC, HSRP/VRRP, OSPF, BGP, VPN, QoS, NAT, wireless networking, and packet analysis.

· Hands-on production experience with F5 BIG-IP LTM, Palo Alto firewalls/Panorama, Cisco ACI/APIC, Cisco Nexus, and Cisco Meraki.

· Practical Azure and/or AWS networking experience, including private connectivity to on-premises environments.

· Hands-on DNS, DHCP, and IPAM experience with Infoblox or a comparable enterprise DDI solution.

· Experience with Wireshark, tcpdump, network monitoring, ITIL incident/problem/change processes, and technical documentation.

· Strong communication skills and the ability to coordinate high-severity incidents and complex changes.

This is a remote role. The salary range for this role is between $99,000 and $116,000 depending on the skills and qualifications of the candidate . Applications will be accepted till 11/11/2026.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

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More about this job

Skills

Troubleshooting
Root cause analysis
DNS
DHCP
VPN
WAN
Implement ICT recovery system
Documentation
Regulatory compliance
Troubleshoot
OSPF
BGP
Firmware
LAN
Microsoft Azure
AWS
Route
Infrastructure as code
Python
Ansible
IBM Terraform
API development
Git
Computer science
Computer technology
VRRP
Wireshark
Tcpdump
ITIL
Communication skills

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Jobs in the United States