Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Forescout Cyber Security Engineer (MID)

DAn Solutions Inc

Forescout Cyber Security Engineer (MID)

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.

Vacancy posted 9 hours ago
Similar jobs that could be interesting for youBased on the Forescout Cyber Security Engineer (MID) in Reston, VA vacancy
  • $135k - $216k

    Responsibilities Expert Cyber Security Engineers capture and refine information security requirements and ensure that the requirements are integrated...  ..., Roadmaps, and investments.• Oversees the work of Senior-, Mid-, and Junior-level contractor Cyber Security Engineers.... 
    Suggested
    Contract work
    For contractors
    Work experience placement
    Shift work

    Peraton Corporation

    Reston, VA
    3 days ago
  • $135k

     ...Responsibilities Expert Cyber Security Engineers capture and refine information security requirements and ensure that the requirements are...  ...Roadmaps, and investments. Oversees the work of Senior-, Mid-, and Junior-level contractor Cyber Security Engineers.... 
    Suggested
    For contractors
    Work experience placement

    SHINE Systems

    Reston, VA
    3 days ago
  •  ...Description Job Description CEdge has an opportunity for a Cyber Security  Engineer , located in Reston  VA  . If you are ready to work...  ...Roadmaps, and investments. · Oversees the work of Senior-, Mid-, and Junior-level contractor Cyber Security Engineers.... 
    Suggested
    For contractors
    Work experience placement

    CEdge Inc

    Reston, VA
    4 days ago
  •  ...Job Description Job Description Overview Mid Cyber Security Engineer   Vienna, VA   Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded... 
    Suggested
    Work at office
    Work from home
    Home office

    Chenega Corporation

    Vienna, VA
    22 days ago
  • $140.5k - $221.5k

     ...join our team. What you'll do Viasat is looking for a Cloud Security Engineer for our Security Engineering team to help drive our security...  ...CD pipelines and knowledge of GitHub coding best- practices Mid- to senior-level development experience Strong... 
    Suggested

    ViaSat

    Reston, VA
    4 days ago
  •  ...Cyber Security Engineer Location: Bellevue WA, Overland Park KS, Frisco TX, Ravinia GA, or Herndon VA Onsite position Duration: 12 months JD: Cyber Security: 10+ Years Java, frameworks, Python, Nodejs: 5+ Years Threat Modelling like STRIDE, PASTA, TRIKE,... 

    Kaav Inc.

    Herndon, VA
    5 days ago
  •  ...Role : Cyber Security Engineer Interview process: 2 rounds of interviews, 2nd round will be in-person in Reston, VA Location : 100% remote, however, must be able to go onsite for a 2nd round in-person interview at own expense Duration : 6-month contract... 
    Contract work
    Remote work

    3B Staffing LLC

    Reston, VA
    3 days ago
  •  ...Altus Consulting is seeking a skilled Cyber Security Engineer to analyze, design, and implement security solutions across various client environments. You will collaborate with analysts, stakeholders, and internal teams to ensure comprehensive cyber defense and deliver... 
    Contract work

    Altus Consulting Corp

    Herndon, VA
    5 days ago
  • $112k - $179k

     ...Cyber Security Engineer Job Locations US Requisition ID 2026-170148 Position Category Information Technology Clearance No Clearance Required Responsibilities Peraton Labs is seeking a Senior Cyber Security Engineer... 
    Contract work
    Shift work

    Peraton

    Herndon, VA
    5 days ago
  • $145k - $210k

    Senior Cyber Security EngineerCooley is seeking a Senior Cyber Security Engineer to join the Security team.Position summary: Cooley Technology embraces a culture of customer service excellence and all members of the department are expected to move this agenda forward. To... 
    Full time
    Temporary work
    Work at office
    Flexible hours
    Weekend work

    Cooley

    Reston, VA
    1 day ago
  • Cyber Security Project Engineer TS/SCI FSPDepartment: Government Customer- HerndonLocation: Herndon, VACyber Security Project EngineerACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITIONThe Cyber Security InfoSec Engineer provides IT security... 

    Tenica and Associates

    Herndon, VA
    1 day ago
  •  ...Vision insurance Emergent Technologies Inc. is actively seeking experienced Cybersecurity Engineers with a minimum of eleven (11) years of relevant experience supporting secure, mission-critical environments. Ideal candidates will demonstrate strong technical... 

    Emergent Tech Inc

    Reston, VA
    1 day ago
  •  ...Cyber Security System Engineer ACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITION Cyber Security Systems Engineers work on all systems and/or projects within the Sponsors organization responsible for providing Network Defense. Qualifications... 

    TENICA Global Solutions

    Herndon, VA
    4 days ago
  • $99k - $225k

    ForeScout EngineerThe Opportunity:On our expert team, you’ll perform...  ...and operating next generation security solutions for government and...  ...operation of leading security cyber defense tools and...  ...You will lead a team as they engineer solutions to complex challenges... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Reston, VA
    5 days ago
  • $110.52k - $209.64k

     ...located in the Enterprise Operations Office of The Applied Research Laboratory (ARL) at Penn State University is seeking a Cyber Security Systems Engineer for our high security Special Program environments. This role will provide advanced systems engineering and... 
    Full time
    Contract work
    For contractors
    Work experience placement
    Work at office
    Remote work

    Penn State University

    Reston, VA
    10 hours ago
  •  ...Job Description Job Description Cyber security project engineer skilled in supporting Information Assurance, Certification & Accreditation and Assessment & Authorization activities.  You will successfully guide the team through the security process coordinating and... 

    Prysm Technology

    Herndon, VA
    a month ago
  •  ...Masonbyte is seeking to fill a Cyber Security Engineer position for our customer in Chantilly, VA . At Masonbyte, we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for talented professionals in engineering... 
    Permanent employment

    iQuasar

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Cyber Security Engineer Fairfax, VA Job Summary A Rampant Technologies Cybersecurity Engineer (CSE) is a key resource that is a part of the Rampant team reporting to the Principal Engineer overseeing the CSE team to deliver innovative Cyber Security solutions... 
    Work at office

    Rampant Technologies

    Fairfax, VA
    2 days ago
  • $106k - $200k

     ...Cyber Security Engineer Security Clearance: TS/SCI with Fullscope Polygraph required Seeking a Cyber Security Engineer to support an Intelligence Client. Required: Demonstrated experience with cyber penetration testing Demonstrated experience designing... 
    Temporary work
    Flexible hours

    Apogee Integration

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...McLean VA - Onsite - Cyber Security Engineer - $65/hr C2C you'll be part of a group of makers, breakers, doers, and disruptors, who love to solve real problems and meet real customer needs. Do you possess an innate desire to learn and work on new and exciting technology... 

    Keylent Inc

    McLean, VA
    3 days ago
  •  ...Description: Research and investigate cyber security vulnerabilities that are produced by security scanners or found by security engineers. Do in-depth deep dives on vulnerabilities and their applicability for an application or a system. Build proof of concept... 

    3B Staffing LLC

    Ashburn, VA
    5 days ago
  • Intelligence Consulting Enterprise Solutions, INC. is looking for a Sr. Cyber Security EngineerDescription: Join ICES on a new contract impacting national security as a Sr. Cyber Security Engineer These positions are located in Chantilly, VA. All positions require an active... 
    Contract work
    For contractors
    Work at office

    Intelligence Consulting Enterprise Solutions

    Chantilly, Loudoun County, VA
    1 day ago
  • $94.4k - $198.2k

    Job Title: Cyber Network Security EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee...  ..., national origin, disability, status as a protected veteran, or any other protected characteristic.Department:Cyber Engineering
    Contract work
    Work experience placement
    Immediate start
    Flexible hours

    CACI International

    Chantilly, Loudoun County, VA
    5 days ago
  • $101k - $194k

     ...everywhere & always. Want in? Join the #VTeamLife.What you’ll be doing...The GN&T Network Security team is looking for a highly motivated and experienced Cybersecurity Engineer to join the Network Security Defense team. The Defense teams are responsible for owning the... 
    Full time
    Temporary work
    Part time
    Work experience placement
    Work at office
    Work from home
    Shift work
    3 days per week

    Verizon

    Ashburn, VA
    2 days ago
  •  ...Location: Reston, VA or Washington, DC Funding Status: Contingent Position Overview DAn Solutions is seeking a Mid-Level Cloud Security Engineer to support the security engineering, assessment, documentation, and accreditation of mission-critical IT and cloud... 
    Contract work
    Remote work

    DAN Solutions

    Reston, VA
    28 days ago
  • $105.4k - $207.8k

    Position Summary Cyber Palo Alto Networks Security Engineer/ Senior Consultant, Strategy, Growth, and TransformationDeloitte’s Cyber business is passionate about making an impact with lasting change. Delivering our industry leading services requires fresh thinking... 
    Work experience placement
    Local area
    Remote work

    Deloitte

    McLean, VA
    2 days ago
  • $82.6k - $162.8k

    Position Summary Our Deloitte Cyber team understands the unique challenges and opportunities...  ...confidence, and proactively manage to secure success.Recruiting for this role ends on 12/31/2026.Work you'll doAs a Security Engineer on the Deloitte Cyber team, you will be... 
    Local area
    Visa sponsorship

    Deloitte

    McLean, VA
    5 days ago
  • $114.6k - $190.2k

     ...Senior Cyber Security Engineer Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking... 
    Hourly pay
    Contract work
    Temporary work
    Work experience placement
    Work at office
    Local area
    Remote work

    ManTech

    Chantilly, Loudoun County, VA
    5 days ago
  • $105k

     ...Native owned corporation, our work helps secure an enduring future for our shareholders....  ...Certified Great Place to Work Cybersecurity Engineer / ISSE - Operational Technology Work...  ...Information Technology Job Function Cyber Security Pay Type Salary Hiring... 
    For contractors

    ASRC Federal Holding Company

    Ashburn, VA
    9 hours ago
  • OverviewWe are actively seeking Cyber Security Systems Engineers to support the customer’s Division level A&A projects which has several Branches within it. The A&A projects are therefore at various levels within the customer organization depending upon which team is responsible... 
    For contractors
    Interim role
    Work at office

    VTG

    Chantilly, Loudoun County, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Forescout Cyber Security Engineer (MID). Be the first to apply!