Senior Network Security EngineerGTT, LLC • Orange, CT, US

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Senior Network Security Engineer

GTT, LLC • Orange, CT, US

[job_card.30_days_ago]

[job_preview.job_type]

[job_card.full_time]

[job_card.job_description]

Job Description

Primary Job Title:
Senior Network Security Engineer

Alternate/Related Job Titles:

Firewall Security Engineer
Network Infrastructure Engineer
Senior Cybersecurity Engineer
SD-WAN Security Engineer

Location:
Orange, CT

Onsite Flexibility:
Onsite

Contract Details:

Position Type: Contract
Start: As Soon As Possible
Pay Rate: $63.43 per hour

Job Summary

We are seeking a Senior Network Security Engineer to play a critical role in securing, optimizing, and transforming our enterprise network infrastructure. This position requires expert-level knowledge of firewall management, routing, SD-WAN, and cloud security technologies. The successful candidate will design, deploy, and maintain secure network solutions that protect sensitive data and ensure high system availability across global locations.

Key Responsibilities

Manage and maintain enterprise firewalls including Cisco ASA, Checkpoint, Fortinet FortiGate, and Palo Alto.
Oversee Radware DDoS protection systems to ensure network resilience and uptime.
Administer Zscaler ZIA/ZPA for secure cloud access and zero-trust connectivity.
Configure and optimize SD-WAN solutions for global connectivity and application performance.
Implement and troubleshoot EIGRP, BGP, and OSPF routing protocols.
Design and maintain NAT policies, firewall rule sets, and traffic management policies.
Lead the migration from Checkpoint to Fortinet, including policy conversion, rule optimization, and validation.
Conduct firewall audits, risk assessments, and ensure compliance with best practices.
Implement policy-based routing, WAN optimization, and redundancy mechanisms.
Collaborate with cross-functional teams to align cloud and on-prem security strategies.
Investigate and resolve connectivity, performance, and security incidents across hybrid environments.

Required Experience

5–8 years of professional experience in network security engineering.
Hands-on expertise with Fortinet FortiGate, Checkpoint, Palo Alto, and Cisco ASA firewalls.
Strong understanding of SD-WAN technologies (Fortinet SD-WAN, Cisco SD-WAN, Prisma Access).
Proficient in EIGRP, BGP, and OSPF routing protocols.
Experience managing Zscaler ZIA/ZPA deployments.
In-depth knowledge of VPN technologies (IPSec, SSL, GRE, DMVPN, L2TP).
Experience with Radware DDoS protection, IPS/IDS, and threat mitigation.
Understanding of zero-trust architectures and secure network segmentation.
Strong analytical and problem-solving skills with the ability to resolve complex security challenges.

Nice-to-Have Experience

Experience leading enterprise-level firewall migrations.
Familiarity with SIEM integration and automated incident response.
Knowledge of cloud-native networking in AWS or Azure environments.
Exposure to SASE frameworks and emerging network security technologies.

Required Skills

Firewall Administration (Fortinet, Palo Alto, Checkpoint, Cisco ASA)
SD-WAN Architecture & Optimization
BGP / OSPF / EIGRP Routing
Zscaler ZIA/ZPA Cloud Security

Preferred Skills

DDoS Protection (Radware)
VPN & NAT Configuration
Zero-Trust Security Implementation
Firewall Migration and Policy Optimization

Additional Skills from Original Description

Threat Mitigation & Risk Assessment
Cloud Security Integration
Performance Troubleshooting
Compliance & Security Auditing

Benefits

Medical, Vision, and Dental Insurance Plans
401k Retirement Fund

About the Client

Our client is a leading sustainable energy company with operations in 24 states and over $40 billion in assets. They provide electricity and natural gas services to 3.3 million customers across the Northeast. Recognized as one of the World’s Most Ethical Companies for three consecutive years, they are also a leader in offshore wind development and renewable energy innovation. The company actively supports community development and invests in local charitable initiatives.

About GTT

GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska. As an economically disadvantaged corporation, we highly value diverse and inclusive workplaces. Our clients include Fortune 500 companies across banking, insurance, financial services, life sciences, biotech, utility, and retail sectors throughout the U.S. and Canada. We look forward to helping you land your next great career opportunity!

Job Number: 25-27472
#LI-GTT #LI-Onsite #gttjobs

Company Description

Global Technical Talent is a subsidiary of Chenega Corporation (www.Chenega.com) with over 1.3 billion US$ in revenue and 5800 US employees. We provide Total Talent Solutions, Global staffing, SOW, RPO, Direct Sourcing, and Global Payroll with physical offices in US, Canada, and India. GTT Digital headquartered in Toronto specializes in providing high-tech digital and banking talent to some of the nation’s largest financial institutions. As a leader in the staffing industry for over 22 years, we have become one of the largest staffing firms in the New England region, working with Fortune 500 clients and cutting-edge, technology-driven recruiting infrastructure.

We are a Native American-owned, economically disadvantaged corporation that highly values diverse and inclusive workplaces. Our clients and partners are among the most successful and innovative organizations in the world. Our top clients are Fortune 500 banking, insurance, and financial services firms, some of the nation’s largest life sciences, biotech, utility, and retail companies, and prestigious educational institutions in the Ivy League tier.

There is always a new opportunity for success when you look through all of the open job opportunities on our website’s career page. Just click on this link: https://bit.ly/gttcareers

Awards

SIA’s Fastest Growing Staffing Firm: 2023 and 2015
SIA’s Best Staffing Firm to Work for: 2019 -2023
Inc 5000 Fastest Growing Private Company: 2023, 2022, 2016, 2015
Randstad Preferred Supplier: 2020 - 2023
TechServe Alliance Excellence Award. 2019
NH Business Magazines Fast 5 fastest growing companies
Ernst & Young Entrepreneur of the Year Finalist: 2015

Company Description

Global Technical Talent is a subsidiary of Chenega Corporation (www.Chenega.com) with over 1.3 billion US$ in revenue and 5800 US employees. We provide Total Talent Solutions, Global staffing, SOW, RPO, Direct Sourcing, and Global Payroll with physical offices in US, Canada, and India. GTT Digital headquartered in Toronto specializes in providing high-tech digital and banking talent to some of the nation’s largest financial institutions. As a leader in the staffing industry for over 22 years, we have become one of the largest staffing firms in the New England region, working with Fortune 500 clients and cutting-edge, technology-driven recruiting infrastructure.\r\n\r\nWe are a Native American-owned, economically disadvantaged corporation that highly values diverse and inclusive workplaces. Our clients and partners are among the most successful and innovative organizations in the world. Our top clients are Fortune 500 banking, insurance, and financial services firms, some of the nation’s largest life sciences, biotech, utility, and retail companies, and prestigious educational institutions in the Ivy League tier.\r\n \r\nThere is always a new opportunity for success when you look through all of the open job opportunities on our website’s career page. Just click on this link: https://bit.ly/gttcareers \r\n \r\nAwards\r\n\r\nSIA’s Fastest Growing Staffing Firm: 2023 and 2015\r\nSIA’s Best Staffing Firm to Work for: 2019 -2023\r\nInc 5000 Fastest Growing Private Company: 2023, 2022, 2016, 2015\r\nRandstad Preferred Supplier: 2020 - 2023\r\nTechServe Alliance Excellence Award. 2019\r\nNH Business Magazines Fast 5 fastest growing companies\r\nErnst & Young Entrepreneur of the Year Finalist: 2015

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