Forescout Cyber Security Engineer

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

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  Deploy, configure, administer, and maintain ForeScout CounterACT appliances within a complex enterprise environment.



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  Support the installation and integration of ForeScout across multi-domain environments , including data center, WAN, LAN, and virtualized architectures.



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  Perform Windows and/or Linux systems administration, including:

  
  
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    System installation and configuration

  
  
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    Troubleshooting and issue resolution

  
  
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    Monitoring system availability and performance

  
  
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    Applying operating system, application, and security upgrades

  
  
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    Supporting system hardening and security requirements

  
  


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  Perform network engineering and administration activities, including:

  
  
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    Installation and activation of network ports

  
  
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    Switch configuration

  
  
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    LAN and VLAN configuration and troubleshooting

  
  
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    Firewall and network appliance support

  
  
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    Network connectivity troubleshooting

  
  


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



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



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



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



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



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



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



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



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

Basic Qualifications

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

  
  
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    Basic troubleshooting

  
  
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    System installation and configuration

  
  
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    Monitoring system performance and availability

  
  
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    Performing operating system and security upgrades

  
  


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  Experience deploying and/or performing daily administration and maintenance of ForeScout CounterACT appliances .



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

  
  
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    Physical or logical network configuration

  
  
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    Installation and activation of network ports

  
  
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    Switch configuration

  
  
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    LAN and VLAN administration

  
  
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    Network firewalls and appliances

  
  
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    Active Directory

  
  
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    Guest LAN environments

  
  
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    Domain administration

  
  


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



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



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  Education and experience meeting one of the following combinations:

  
  
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    High School Diploma or GED and 7+ years of experience supporting IT projects and activities

  
  
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    Associate's degree and 5+ years of experience supporting IT projects and activities

  
  
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    Bachelor's degree and 3+ years of experience supporting IT projects and activities

  
  
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    Master's degree and 1+ years of experience supporting IT projects and activities

  
  


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  Must possess, or obtain within 30 days of the start date , a DoD 8570 IAT Level III certification , such as:

  
  
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    SecurityX (formerly CASP+)

  
  
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    CCNP Security

  
  
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    CISA

  
  
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    CISSP or Associate of CISSP

  
  
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    GCED

  
  
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    GCIH

  
  
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    CCSP

  
  


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  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:

  
  
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    CEH

  
  
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    CySA+

  
  
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    GICSP

  
  
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    SSCP

  
  
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    CHFI

  
  
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    CFR

  
  
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    Cloud+

  
  
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    CND

  
  

Preferred Qualifications

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  ForeScout Certified Administrator (FSCA) and/or ForeScout Certified Engineer (FSCE) certification.



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  Experience installing and deploying ForeScout within a multi-domain customer environment .



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  Knowledge of federal information security policies, standards, procedures, directives, and frameworks.



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  Familiarity with federal security authorization, assessment, and risk management processes for enterprise systems.



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  Experience integrating cybersecurity data using Splunk or similar enterprise data aggregation and analysis platforms.



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  Experience working in a Tier II IT operations and maintenance environment.



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  Experience documenting ticket activity, technical issues, remediation actions, and resolution information.



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  Strong troubleshooting and analytical skills across systems, networking, and cybersecurity technologies.



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  Ability to independently manage assignments and priorities with limited supervision.



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  Ability to work effectively in a collaborative technical environment.



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  Excellent verbal and written communication skills.



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  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.