Forescout Cyber Security Engineer (MID)

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

Location: Reston, VA OR Washington, DC

Position Description:
Position Overview

We are seeking an experienced ForeScout 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 ForeScout CounterACT , 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 .
Key Responsibilities

• Deploy, configure, administer, and maintain ForeScout CounterACT appliances within a complex enterprise environment.
• Support the installation and integration of ForeScout 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, and 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.

Basic Qualifications

• 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 ForeScout CounterACT 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 .
• Education and experience meeting one of the following combinations:
  
  • High School Diploma or GED and 7+ years of experience supporting IT projects and activities
  • Associate's degree and 5+ years of experience supporting IT projects and activities
  • Bachelor's degree and 3+ years of experience supporting IT projects and activities
  • Master's degree and 1+ years of experience supporting IT projects and activities
• Must possess, or obtain within 30 days of the start date , a DoD 8570 IAT Level III certification , such as:
  
  • SecurityX (formerly CASP+)
  • CCNP Security
  • CISA
  • CISSP or Associate of CISSP
  • GCED
  • GCIH
  • CCSP
• Ability to obtain a DoD 8570 Cybersecurity Service Provider - Infrastructure Support (CSSP-IS) qualifying certification prior to beginning work on the contract. Qualifying certifications may include:
  
  • CEH
  • CySA+
  • GICSP
  • SSCP
  • CHFI
  • CFR
  • Cloud+
  • CND

Preferred Qualifications

• ForeScout Certified Administrator (FSCA) and/or ForeScout Certified Engineer (FSCE) certification.
• Experience installing and deploying ForeScout within a multi-domain customer environment .
• Knowledge of federal information security policies, standards, procedures, directives, and frameworks.
• Familiarity with federal security authorization, assessment, and risk management processes for enterprise systems.
• Experience integrating cybersecurity data using Splunk or similar enterprise data aggregation and analysis platforms.
• Experience working in a Tier II IT operations and maintenance environment.
• Experience documenting ticket activity, technical issues, remediation actions, and resolution information.
• Strong troubleshooting and analytical skills across systems, networking, and cybersecurity technologies.
• Ability to independently manage assignments and priorities with limited supervision.
• Ability to work effectively in a collaborative technical environment.
• Excellent verbal and written communication skills.
• Strong customer-facing skills with the ability to coordinate technical efforts and establish productive working relationships.

Certifications

Candidates must meet applicable DoD 8570/8140 workforce certification requirements , including IAT Level III and CSSP Infrastructure Support requirements within the timelines specified above.