Jobs in the United States

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Added 12 mins ago
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Staff AI Product Engineer
Jobgether
Remote, United States
- $200,000 to $300,000 USD / year
Strong understanding of production engineering principles, including system reliability, observability, security, permissions, and safe workflow execution.
Added 12 mins ago
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L1 Technical Support Engineer (Spanish-Speaking)
Jobgether
Remote, United States
- $31.25 to $44.96 USD / hour
As an L1 Technical Support Engineer, you will help enterprise customers resolve technical challenges across cloud-based email security, AI security, and SaaS security solutions. You will…
Added 12 mins ago
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IT Help Desk Engineer
Jobgether
Remote, United States
- $33.65 to $43.25 USD / hour
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an IT Help Desk Engineer based in the United States.
Added 12 mins ago
AI Security Engineer, Detection and Response
Jobgether
Remote, United States
Candidates must be based in the United States
Added 13 mins ago
Safety and Occupational Health Specialist
Federal Emergency Management Agency
Emmitsburg, MD
Selective Service registration required · Qualifications Current Federal employees must have served 52 weeks at the next lower grade or equivalent grade band in the Federal service
Added 13 mins ago
INFORMATION TECHNOLOGY SPECIALIST (INFOSEC)
Naval Intelligence Command
National Maritime Intelligence Center, MD
Added 13 mins ago
Safety and Occupational Health Specialist
Federal Emergency Management Agency
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Selective Service registration required
Added 13 mins ago
Senior Full Stack Engineer - AWS Cloud
Maximus
Lanham, MD
Develop and support RESTful APIs, microservices, reusable application components, and system integrations.
Added 13 mins ago
Networking Security Engineer II
CACI International
Linthicum Heights, MD
We are seeking a Network Security Engineer who will provide engineering expertise to analyze complex systems, architecture, network design and other technical hardware issues. You will…
Added 13 mins ago
Network Engineer Principal (TS/Q clearance required)
General Dynamics Information Technology
Germantown, MD
GDIT is seeking an experienced Network Engineer Principal to join our team supporting mission-critical operations for the Department of Energy's National Nuclear Security Administration…
Added 13 mins ago
Sr. Network Engineer / Architect
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Rockville, MD
Bowhead seeks a Sr. Network Engineer / Architect to support the Indian Health Service - Network Operations & Support Center located in Rockville, MD. The mission is to provide Federal…
Added 14 mins ago
Software Engineer (Hybrid) Clearable - 31087
Huntington Ingalls Industries
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Must have a strong working knowledge and experience developing Java based software capabilities · Must be able to work in a hybrid environment, spending an average of 1-2 days per week at our Columbia, MD office
Added 14 mins ago
Software Engineer (Hybrid) Clearable - 31084
Huntington Ingalls Industries
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Must have a strong working knowledge and experience developing Java based software capabilities · Must be able to work in a hybrid environment, spending an average of 1-2 days per week at our Columbia, MD office
Added 14 mins ago
Principal Software Engineer - 25k Sign on Bonus
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Leidos has a new and exciting opportunity for a Principal Software Engineer in our Intelligence Sector's, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in…
Added 14 mins ago
Operational Support Engineer
Sealing Technologies
Annapolis Junction, MD
…solve complex challenges with speed and confidence. We design, engineer, and deliver products and deployable technologies built for environments where traditional infrastructure falls…
Added 14 mins ago
Software Engineer
General Dynamics Information Technology
Annapolis Junction, MD
Reverse Engineer newly release operating system kernels and update custom drivers for integration of Wi-fi radios/modems
Added 14 mins ago
Software Engineer
Highmark Health
Annapolis, MD
This job is an integral member of an agile software engineer team responsible for building complex scalable software applications across all digital channels to serve our customers. The…
Added 14 mins ago
Systems Engineer/ Principal Systems Engineer (Level 2 & 3)
Northrop Grumman
Annapolis, MD
PLEASE NOTE: Candidate must have an ACTIVE Secret Security Clearance in order to be considered for this role · Qualified applicants must have 2 years of experience with a Bachelors Degree or zero experience with a Masters Degree or PHD
Added 14 mins ago
Senior Network Engineer
Cognizant
Annapolis, MD
We are seeking an experienced Senior Network Engineer to design, implement, secure, operate, and optimize enterprise data-center, campus, branch, wireless, and hybrid-cloud networks. The…
Added 14 mins ago
Senior Workday Security Engineer
CVS Health
Annapolis, MD
CVS Health is seeking an experienced Senior Workday Security Engineer to join the HR Technology Workday Security team. This role designs, supports, governs, and optimizes security across…
Added 14 mins ago
Senior Principal Systems Engineer – Electronic Warfare (EW) Systems
Northrop Grumman
Baltimore, MD
We are seeking a Senior Principal Systems Engineer (T04) to support development of Electronic Warfare (EW) systems for airborne sensor platforms. This position is 100% onsite and focuses on…
Added 14 mins ago
Senior Manager, Agentic AI Engineer
PwC
Baltimore, MD
What You Must Have
Added 15 mins ago
EG
Azure Government Administrator
Eliassen Group
Aberdeen Proving Ground, MD
- $50 to $60 USD / hour
…environments within Azure Government. The role will emphasize security compliance, advanced troubleshooting, and identity and access management. The administrator will deploy and operate…
Added 15 mins ago
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Mechanical/Fire Protection Engineer
Delphinus Engineering
Bethesda, MD
- $80,000 to $90,000 USD / year
…limited to: technology insertion; performance specifications; system integration; installation support; on-site technical support, and alteration/repair support services in support of…
Added 15 mins ago
EG
Senior Systems Administrator / Infrastructure Engineer
Eliassen Group
Annapolis, MD
- $65 to $75 USD / hour
Our client seeks a senior-level Systems Administrator or Infrastructure Engineer to administer Linux and Windows Server environments, manage AWS services, and drive automation and…

Senior Network Engineer

Annapolis, MD, United States

· The Salary for this position will be $99,000 and $115, 000 yearly depending on experience and other qualifications of the successful candidate.

Apply on usnlx.com About employer

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Job details

Pay: · The Salary for this position will be $99,000 and $115, 000 yearly depending on experience and other qualifications of the successful candidate.
Experience: · 8+ years of enterprise network engineering experience, including at least 3 years in a senior or L3 role.
Posting language: English
Posted: Nov 9, 2026

Original job description

Job Summary

We are seeking an experienced Senior Network Engineer to design, implement, secure, operate, and optimize enterprise data-center, campus, branch, wireless, and hybrid-cloud networks. The 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.

Preferred Certifications and Skills

· F5 Certified BIG-IP Administrator or F5 Certified Technology Specialist.

· Palo Alto Networks Certified Network Security Engineer (PCNSE).

· Cisco CCNP Enterprise or CCNP Data Center; CCIE is an advantage.

· Cisco Meraki Solutions Specialist (CMSS), ECMS training, or equivalent Meraki implementation experience.

· Microsoft Certified: Azure Network Engineer Associate or AWS Certified Advanced Networking - Specialty.

· Infoblox accreditation or equivalent enterprise DDI training.

· Experience with SolarWinds, Splunk, LogicMonitor, ThousandEyes, NetBox, ServiceNow, Git, CI/CD, SASE, SD-WAN, and Zero Trust segmentation.

Core Competencies

Technology Area

Expected Proficiency

Key Capabilities

F5 BIG-IP

Advanced

LTM, SSL, HA, iRules; DNS/GTM and WAF preferred

Palo Alto

Advanced

PAN-OS, Panorama, policy, NAT, VPN, threat controls

Cisco ACI

Advanced

APIC, EPGs, contracts, L3Out, fabric troubleshooting

Cisco Nexus

Advanced

vPC, OSPF, BGP, VXLAN/EVPN, data-center switching

Cisco Meraki

Advanced

MX, MS, MR, Dashboard, Auto VPN, SD-WAN, Wi-Fi

Cloud Networking

Intermediate to Advanced

Azure/AWS, ExpressRoute/Direct Connect, VPN, load balancing

DDI

Intermediate to Advanced

Infoblox, DNS, DHCP, IPAM, resiliency

Automation

Preferred

Python, Ansible, Terraform, APIs, Git

Success Measures

· High network availability and timely restoration of critical services.

· Reliable delivery of changes with complete validation and rollback readiness.

· Reduction in repeat incidents through effective RCA and corrective actions.

· Improved security posture, lifecycle compliance, capacity, and operational documentation.

· Measurable automation of repeatable configuration, validation, inventory, and reporting tasks.

Salary and Benefits

· The Salary for this position will be $99,000 and $115, 000 yearly depending on experience and other qualifications of the successful candidate.

· This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

· Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

· Medical/Dental/Vision/Life Insurance

· Paid holidays plus Paid Time Off

· 401(k) plan and contributions

· Long-term/Short-term Disability

· Paid Parental Leave

· Employee Stock Purchase Plan

· Disclaimer: The compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

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
CCNP
AWS certification
SolarWinds
Splunk
ServiceNow
CI/CD
Reporting

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Work requirements

Jobs in the United States