Senior Network Engineer Overnight M-F 10PM to 6AM

GCA; Quantico (VA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

401(k) matching

Company parties

Competitive salary

Dental insurance

Employee discounts

Health insurance

Paid time off

Vision insurance

Wellness resources

Job summary

GCA is seeking a Senior Network Engineer for an overnight shift (Mon–Fri, 10PM–6AM) to design, implement, and support complex WAN/LAN networks and security across enterprise environments. You will work with Cisco/Juniper gear and manage ASA firewalls, VPNs, and SDLC processes in an ITIL/Agile setting.

The role requires TS/SCI eligibility, DoD 8570 IAT II, and strong experience with vulnerability tools such as SolarWinds, Splunk, and PRTG, plus VMware vSphere.

Qualifications

• DoD 8570 IAT II level certifications or equivalent.
• Top Secret/SCI eligibility required to start.
• CCNA certification and hands-on Cisco IOS experience.
• Minimum 7 years of progressive network engineering experience.
• Experience with Cisco routers, Catalyst switches, and related hardware.

Responsibilities

• Design, implement, and support WAN & LAN networks and telecommunication systems.
• Manage Cisco ASA firewalls, IDS/IPS, VPNs, and SDLC protocols for security.
• Maintain routing with OSPF/EIGRP/BGP and high availability across global networks.
• Administer SAN storage and VMware vSphere environments.
• Conduct vulnerability assessments using SolarWinds, Splunk, and PRTG.
• Automate tasks with Python, PowerShell, and Ansible in ITIL/Agile settings.
• Lead network installation/upgrades and ensure security in cloud and on-premise envs.

Skills

DoD 8570 IAT II

Top Secret Clearance

CCNA

7+ years exp

Cisco routers & switches

Tools

SolarWinds

Splunk

PRTG

VMware vSphere

Python

PowerShell

Ansible

Cisco IOS

Job description

Overview

We are seeking a highly skilled Senior Network Engineer to join our team for an overnight shift (Monday through Friday, 10PM to 6AM). The ideal candidate will possess extensive experience in IT infrastructure, network security, and system administration, with a strong background in designing, implementing, and maintaining complex network environments. This role offers an opportunity to work on cutting‑edge networking projects, ensuring high availability, security, and performance of our enterprise network infrastructure.

Benefits

• 401(k) matching
• Company parties
• Competitive salary
• Dental insurance
• Employee discounts
• Health insurance
• Paid time off
• Vision insurance
• Wellness resources

Duties

• Design, implement, and support WAN & LAN networks, and telecommunication systems utilizing Cisco routers, switches, Juniper equipment, and other network hardware.
• Manage and configure network security devices including Cisco ASA firewalls, IDS/IPS systems, VPNs (IPsec), and SDLC protocols to safeguard organizational assets.
• Maintain and optimize network protocols such as OSPF, EIGRP, BGP, BGP/MPLS VPNs to ensure efficient routing and high availability across global networks.
• Administer and support network infrastructure components including SAN storage solutions and VMware vSphere environments.
• Conduct vulnerability assessments using tools like SolarWinds, Splunk, PRTG, and SolarWinds to identify and mitigate potential threats.
• Automate network management tasks using scripting languages such as Python, Bash shell scripting, PowerShell, Ansible for configuration management and deployment.
• Lead projects involving network installation and upgrades while adhering to ITIL best practices within an Agile SDLC framework.
• Perform regular vulnerability assessments and implement necessary security measures to protect against cyber threats in cloud environments and on‑premises networks.

Required Skills

• DoD 8570 - IAT Level II (GSEC, Security+ CE, SSCP, or CCNA-Security)
• Top Secret Clearance is required to start, must be eligible to obtain a Top Secret/SCI
• Cisco Certified Network Associate (CCNA) certification.
• Minimum of Seven (7) years of increasingly complex and progressive experience in computer system/network engineering.
• Experience with Cisco routers and Catalysts switches

GCA is a Small Disadvantaged Veteran Owned company supporting several government contracts. GCA is pleased to offer a competitive benefits package to all full‑time employees. Below is a brief overview of our benefits package.

• Competitive Compensation
• Paid Time off includes 10 federal holidays and 15 additional days.
• Bereavement Leave
• Parental Leave
• PTO Cash out
• Company Paid STD and LTD
• Life and AD&D Insurance
• Medical, Prescription, Dental, and Vision Coverage
• 401k Savings and company match
• Employee referral program

At GCA, we stand at the forefront of innovation, lighting the way towards a future where technology serves as a beacon of possibility. As a premier provider of Information Technology and Audio-Visual Integration services, our mission is to empower individuals and organizations to navigate the digital landscape with confidence and clarity. We work to provide the latest information technology support services and Audio Visual system solutions to our customers worldwide.