Forescout Cyber Security Engineer

REQUIRES AN ACTIVE / EXISTING TS/SCI WITH CI POLY - NO REMOTE WORK

Location:
Reston, VA OR Washington, DC

Position

Description:

We are seeking an experienced Fore Scout Network Security Systems Administrator to support the deployment, administration, maintenance, and troubleshooting of enterprise IT and cybersecurity infrastructure within a secure, multi-domain environment.

This role will work extensively with Fore Scout Counter ACT
, Windows and Linux systems, network infrastructure, Active Directory, firewalls, VLANs, and enterprise cybersecurity tools. The successful candidate will provide hands‑on technical support across systems, network, and security environments while helping maintain system availability, performance, compliance, and security.

This position requires an active TS/SCI clearance and the ability to obtain a Counterintelligence Polygraph
.

• Deploy, configure, administer, and maintain Fore Scout Counter ACT appliances within a complex enterprise environment.

• Support the installation and integration of Fore Scout across multi‑domain environments
  , including data center, WAN, LAN, and virtualized architectures.

• Perform Windows and/or Linux systems administration, including:

  • System installation and configuration

  • Troubleshooting and issue resolution

  • Monitoring system availability and performance

  • Applying operating system, application, and security upgrades

  • Supporting system hardening and security requirements

• Perform network engineering and administration activities, including:

  • Installation and activation of network ports

  • Switch configuration

  • LAN and VLAN configuration and troubleshooting

  • Firewall and network appliance support

  • Network connectivity troubleshooting

• Support network and enterprise services including Active Directory, domain management, guest LAN environments, and related infrastructure services
  .

• Troubleshoot technical issues across systems, networking, and cybersecurity infrastructure.

• Integrate and analyze cybersecurity data using enterprise or custom data aggregation and analysis tools, including Splunk
  .

• Provide Tier II IT operations and maintenance support
  , including responding to tickets, documenting technical work, updating ticket information, troubleshooting incidents,时 implementing remediation.

• Support cybersecurity compliance activities and implementation of applicable federal information security requirements.

• Assist with security assessments, system authorization activities, risk management processes, and remediation efforts.

• Maintain technical documentation, procedures, configuration information, and troubleshooting records.

• Coordinate technical activities with customers, cybersecurity personnel, engineers, administrators, and other stakeholders.

• Independently identify and resolve technical issues while collaborating effectively within a larger technical team.

• 3+ years of experience performing Windows or Linux systems administration, including experience with:

  • Basic troubleshooting

  • System installation and configuration

  • Monitoring system performance and availability

  • Performing operating system and security upgrades

• Experience deploying and/or performing daily administration and maintenance of Fore Scout Counter ACT appliances
  .

• Experience with network engineering or network administration, including one or more of the following:

  • Physical or logical network configuration

  • Installation and activation of network ports

  • Switch configuration

  • LAN and VLAN administration

  • Network firewalls and appliances

  • Active Directory

  • Guest LAN environments

  • Domain administration

• Knowledge of multi‑domain architectures
  , including data center, WAN, LAN, and virtualized environments.

• Active TS/SCI clearance with the ability to obtain a Counterintelligence Polygraph
  .

• E…