REQUIRES AN ACTIVE / EXISTING TS/SCI WITH CI POLY - NO REMOTE WORKLocation: Reston, VA OR Washington, DC Position Description:Position OverviewWe 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.
CertificationsCandidates must meet applicable
DoD 8570/8140 workforce certification requirements, including IAT Level III and CSSP Infrastructure Support requirements within the timelines specified above.
