Jobs in the United States

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Added 9 mins ago
MBSE Systems Engineer Stf
Lockheed Martin
Littleton, CO
Lockheed Martin seeks an a highly motivated innovative and talented Model Based Systems Engineer (MBSE) to join the Global Security team and become a member of the Systems Engineering and…
Added 10 mins ago
M
Senior Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
We are looking for a Senior Software Engineer. The ideal candidate brings strong hands-on experience in engineering infrastructure, and developer tool chains, with the ability to integrate…
Added 10 mins ago
M
Senior Software Engineer
Microsoft
United States
- $119,800 to $261,000 USD / year
As a Senior Software Engineer, you will design and build distributed services for deployment orchestration and Armada platform capabilities. You will own features from design and…
Added 11 mins ago
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Senior Software Engineer, Full Stack
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
Senior Software Engineer - Full Stack, AI & Platform Modernization Microsoft | Engineering Workforce Strategy & Operations
Added 11 mins ago
M
Principal Software Engineer- Substrate SPARTANs
Microsoft
WA · CA · NY · Redmond, WA · Mountain View, CA · Redmond · Mountain View · New York
- $142,800 to $304,200 USD / year
We are looking for a Principal Software Engineer to join the Special Projects and Resources Team (SPARTANs) in M365 Core - Substrate . SPARTANs tackle strategic projects and hard problems…
Added 19 mins ago
Sr. IT Systems Engineer
Jobgether
Remote, United States
The Sr. IT Systems Engineer will shape and scale the identity, endpoint, and SaaS infrastructure supporting a global, remote-first workforce. This role combines hands-on technical…
Added 19 mins ago
J
Senior Engineer, Cyber Engineering
Jobgether
Remote, United States
- $160,000 to $175,000 USD / year
We are seeking a highly skilled Senior Engineer, Cyber Engineering to design, develop, and operate scalable security infrastructure across enterprise, cloud, network, and endpoint…
Added 41 mins ago
Associate and Mid-Level Software Engineers
The Boeing Company
Berkeley, MO
+ Collaboration & Communication: Work closely with cross-functional teams including development, QA, security, and physical lab team to align deployment strategies, testing requirements,…
Added 47 mins ago
J
Senior Software Development Engineer, Backend
Jobgether
Remote, United States
- $156,200 to $262,600 USD / year
The Senior Software Development Engineer will help shape and build a modern internal cloud platform that enables engineering teams to provision and manage infrastructure through reliable,…
Added 47 mins ago
Interoperability Engineer I / II / SR (Workday/UKG)
Jobgether
Remote, United States
The Interoperability Engineer will design, develop, and maintain enterprise integration solutions that enable secure and reliable data exchange across complex technology environments. This…
Added 47 mins ago
J
Global Director, Compensation
Jobgether
Remote, United States
- $156,200 to $262,600 USD / year
The Senior Software Development Engineer will help shape and build a modern internal cloud platform that enables engineering teams to provision and manage infrastructure through reliable,…
Added 59 mins ago
AI Finops Development Engineer
Charles Schwab
Southlake, TX
As an AI FinOps Development Engineer within Schwab Technology Services, you’ll help shape how AI is adopted and scaled across the enterprise by building capabilities that connect AI…
Added 1 hour ago
Software Engineer (Platform Team)
SpaceX
Starbase, TX · Bastrop, TX
The Platform Team is responsible for building the foundational tooling and security infrastructure that empowers every team at SpaceX to harness AI effectively. This team creates secure,…
Added 1 hour ago
ND
Senior Kubernetes Platform Engineer
NTT Data Americas, Inc.
Irving, TX
- $55 to $65 USD / hour
NTT DATA's Client is currently seeking a Senior Kubernetes Platform Engineer to join their team in Irving, Texas (US-TX), United States (US).
Added 1 hour ago
Engineer/Sr Engineer, IT Software
American Airlines
Fort Worth, TX
The Software domain refers to the area within Information Technology that focuses on the development, deployment, management, and maintenance of software applications that support business…
Added 1 hour ago
SDC WAMT Engineering---Principal .Net Engineer---Manager--- Dallas, Raleigh, San Antonio
EY
San Antonio, TX · Dallas, TX
To qualify for the role you must have
Added 1 hour ago
AI Engineer
UNIVERSITY OF TEXAS AT AUSTIN
Austin, TX
Machine Learning Deployment and GovernanceDevelops and refines ML deployment pipelines and workflows to support production-grade machine learning lifecycle governance and…
Added 1 hour ago
Systems Engineer 3 (Afloat) - Secret & Top Secret Clearance
V2X
Norfolk, VA
The Systems Engineer 3 (Afloat) actsas senior technical advisor to Carrier Strike Group/Amphibious Ready Group staff N6. The Engineer supports the ship and staff during installation,…
Added 1 hour ago
Senior Backend Engineer, Care Platform & EMR
Bask Health
Remote, United States
We're looking for a Senior Backend Engineer, Care Platform & EMR to help build and scale the backend systems powering Bask Health's clinical workflows and electronic medical record (EMR)…
Added 1 hour ago
Senior Backend Engineer, Pharmacy Integrations
Bask Health
Remote, United States
We're looking for a Senior Backend Engineer, Pharmacy Integrations to design, build, and maintain the systems connecting Bask Health's telehealth platform with pharmacy partners and…
Added 1 hour ago
Senior Backend Engineer, Billing & Revenue Systems
Bask Health
Remote, United States
We're looking for a Senior Backend Engineer, Billing & Revenue Systems to design, build, and improve the backend infrastructure supporting payments, subscriptions, billing workflows, and…
Added 1 hour ago
Backend Engineer, Pharmacy Integrations
Bask Health
Remote, United States
We're looking for a Backend Engineer, Pharmacy Integrations to help build and maintain the backend systems connecting Bask Health's telehealth platform with pharmacy partners and…
Added 1 hour ago
Backend Engineer, Billing & Revenue Systems
Bask Health
Remote, United States
We're looking for a Backend Engineer, Billing & Revenue Systems to help build and maintain the backend services supporting payments, subscriptions, billing workflows, and revenue-related…
Added 1 hour ago
Backend Engineer, New Grad
Bask Health
Remote, United States
We're looking for a Backend Engineer, New Grad to join Bask Health's engineering team and help build the software infrastructure behind our telehealth platform.
Added 1 hour ago
Junior Backend Engineer
Bask Health
Remote, United States
We're looking for a Junior Backend Engineer to join Bask Health's engineering team and help build, maintain, and improve the backend systems powering our telehealth platform.

Closed listing

Senior Network Engineer

Pierre, SD, 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