Job Requirements
Fairmont, WV
Public Trust Polygraph Unspecified
Career Level not specified
$85,000 - $105,000
Job Description
GTSC and its Global Sciences and Technology (GST) business unit seeks an experienced Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure. This role requires deep technical expertise, strong troubleshooting skills, and the ability to lead network initiatives from planning through execution. The ideal candidate will have hands-on experience with SonicWall firewalls and Cisco switches in complex, production environments.
This position has been approved for a hybrid work schedule but will work onsite at our Fairmont, WV office.
Primary Duties: • Design, implement, and maintain reliable, secure, and scalable network infrastructure • Configure, manage, and troubleshoot SonicWall firewalls, including VPNs, security policies, and threat management • Install, configure, and support Cisco switches, including VLANs, routing, QoS, and switch stacking • Monitor network performance, availability, and security, proactively addressing issues • Lead network upgrades, migrations, and infrastructure improvement projects • Troubleshoot complex network issues across LAN, WAN, WLAN, and VPN environments • Collaborate with systems, security, and application teams to ensure network alignment with business needs • Create and maintain network documentation, diagrams, and standard operating procedures • Mentor junior engineers and provide technical leadership • Ensure compliance with security standards and best practices • Participate in on-call rotation and provide after-hours support as needed
Required Education/Experience/Skills: • Bachelorx27s degree in computer science or related field of study • 7 or more years of hands-on network engineering experience in enterprise environments • Proven experience with SonicWall firewalls (configuration, management, and troubleshooting) • Strong experience with Cisco switches (Catalyst, Nexus, or similar) • In-depth knowledge of TCP/IP, DNS, DHCP, VLANs, routing protocols (OSPF, BGP preferred), and VPN technologies • Experience with network monitoring and diagnostic tools • Strong analytical, problem-solving, and communication skills
Applicants selected will be subject to a government background investigation and may need to meet eligibility requirements.
Benefits
BENEFITS -n Employees working 30+ hours weekly
Wen celebrate your contributions we will provide you withn opportunities and choices and support your total well-being.n Our offerings include health, life, disability, financial,n and retirement benefits, as well as paid leave, professionaln development, tuition assistance, work-life programs, andn dependent care for full-time employees working 30-plus hoursn per week. Our recognition awards program acknowledgesn employees for exceptional performance.
Business Unit: Globaln Sciences and Technology (GST)
Identityn Statement
Asn part of the application process, you are expected to be onn camera during interviews and assessments. We reserve then right to take your picture to verify your identity andn prevent fraud.
Workn Definitions: If thisn position is listed as remote or hybrid, youx27lln periodically work from a company or client siten facility.
Asn part of the onboarding process for this position, individualsn undergoing identity verification for new PIV card issuance, mustn present a REAL ID compliant form of identification or ann equivalent acceptable form. GTSC is an Equaln Opportunity Employer and does not discriminate on the basisn of race or ethnicity, religion, sex, national origin, age,n veteran disability or genetic information or any other reasonn prohibited by law in employment.
GTSC isn committed to working with and providing reasonable accommodationn to applicants with physical and mental disabilities.
GTSCn participates in the E-Verify program in all locations as requiredn by law.
This position has been approved for a hybrid work schedule but will work onsite at our Fairmont, WV office.
Primary Duties: • Design, implement, and maintain reliable, secure, and scalable network infrastructure • Configure, manage, and troubleshoot SonicWall firewalls, including VPNs, security policies, and threat management • Install, configure, and support Cisco switches, including VLANs, routing, QoS, and switch stacking • Monitor network performance, availability, and security, proactively addressing issues • Lead network upgrades, migrations, and infrastructure improvement projects • Troubleshoot complex network issues across LAN, WAN, WLAN, and VPN environments • Collaborate with systems, security, and application teams to ensure network alignment with business needs • Create and maintain network documentation, diagrams, and standard operating procedures • Mentor junior engineers and provide technical leadership • Ensure compliance with security standards and best practices • Participate in on-call rotation and provide after-hours support as needed
Required Education/Experience/Skills: • Bachelorx27s degree in computer science or related field of study • 7 or more years of hands-on network engineering experience in enterprise environments • Proven experience with SonicWall firewalls (configuration, management, and troubleshooting) • Strong experience with Cisco switches (Catalyst, Nexus, or similar) • In-depth knowledge of TCP/IP, DNS, DHCP, VLANs, routing protocols (OSPF, BGP preferred), and VPN technologies • Experience with network monitoring and diagnostic tools • Strong analytical, problem-solving, and communication skills
Applicants selected will be subject to a government background investigation and may need to meet eligibility requirements.
Benefits
BENEFITS -n Employees working 30+ hours weekly
Wen celebrate your contributions we will provide you withn opportunities and choices and support your total well-being.n Our offerings include health, life, disability, financial,n and retirement benefits, as well as paid leave, professionaln development, tuition assistance, work-life programs, andn dependent care for full-time employees working 30-plus hoursn per week. Our recognition awards program acknowledgesn employees for exceptional performance.
Business Unit: Globaln Sciences and Technology (GST)
Identityn Statement
Asn part of the application process, you are expected to be onn camera during interviews and assessments. We reserve then right to take your picture to verify your identity andn prevent fraud.
Workn Definitions: If thisn position is listed as remote or hybrid, youx27lln periodically work from a company or client siten facility.
Asn part of the onboarding process for this position, individualsn undergoing identity verification for new PIV card issuance, mustn present a REAL ID compliant form of identification or ann equivalent acceptable form. GTSC is an Equaln Opportunity Employer and does not discriminate on the basisn of race or ethnicity, religion, sex, national origin, age,n veteran disability or genetic information or any other reasonn prohibited by law in employment.
GTSC isn committed to working with and providing reasonable accommodationn to applicants with physical and mental disabilities.
GTSCn participates in the E-Verify program in all locations as requiredn by law.
group id: 91139254