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.
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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
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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.
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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.