Global Technical Talent
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
#J-18808-Ljbffr
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
#J-18808-Ljbffr