Network Security Engineer

Company: Inmarsat Government, Inc
Location: Reston
Posted on: May 10, 2025

Job Description:

The Network Security Engineer (NSE) will support the Inmarsat Government Cyber team with meeting operational security objectives by applying gained expertise to a variety of information and network technologies. This position plays a critical role in achieving the goal of enforcing our corporate Cyber posture to ensure ongoing secure operations. The NSE will work with internal business units to understand system requirements, provide security recommendations, and implement solutions to ensure security.

Making sure you fit the guidelines as an applicant for this role is essential, please read the below carefully.

The ideal candidate should have a strong technical background in network security engineering and be experienced in developing and maintaining secure network infrastructures. We require a minimum of 3 years of experience in network security engineering, along with an in-depth understanding of routing, switching, and network security protocols.

Position Responsibilities

Spearhead efforts to continually improve security on terrestrial networks
Respond to and investigate security alerts and incidents
Maintain and administer perimeter security systems
Conduct analysis of network security needs and contribute to design, integration, and installation of hardware and software.
Collaborate with Engineering departments to examine attack vectors and implement preventative controls
Prepare and present technical reports / briefings related to internal and customer security initiatives
Stay up to date on the latest network security products and services, industry best practices, and customer needs

Position Requirements

Positive attitude and highly motivated
Demonstrated experience working with networking products and technologies
Advanced knowledge of firewall technologies
An understanding of adversarial networking attack tactics and mitigative actions
Ability to effectively apply security to the system engineering process
Experience with policy creation and process application
Active SECRET clearance
Cyber certification (CISSP, CCNP Security, CCSP)

Preferred Skills & Knowledge

Experience with DoD / IC
Active TOP SECRET clearance
History of working within cloud environments
Experience ensuring systems meet and comply with RMF standards
Understanding of PKI management systems
Hands on experience with Cisco, Palo Alto, Checkpoint, Fortinet, Juniper, and/or Forcepoint devices

Inmarsat Government is an Equal Opportunity Employer

Keywords: Inmarsat Government, Inc, Severn , Network Security Engineer, Engineering , Reston, Maryland