
Senior ForeScout Engineer - Active TS/SCI with CI Poly
Washington, DCJobSeen 3w agoSeen in employer's feed today
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
The Senior ForeScout Engineer will implement and operate security solutions for government and commercial clients, applying defense strategies to complex networks to identify vulnerabilities and threats. The role includes leading a team that engineers customer solutions using network engineering, Active Directory, and system administration. The engineer will manage cybersecurity controls, contribute to risk assessments, and use security data to identify advanced threats.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
In this role, you’ll perform work focused on implementing and operating next generation security solutions for government and commercial clients. You’ll perform hands-on evaluation, implementation, and operation of leading security cyber defense tools and technologies, and apply in-depth defense strategies to large and complex networks to rapidly identify vulnerabilities and threats, prioritize response actions, and develop effective countermeasures. You’ll apply thought leadership in a highly collaborative and innovative work environment to solve complex security challenges. You will lead a team as they engineer solutions to complex challenges for customers using knowledge of network engineering, Active Directory, and system administration.
In this role, you'll closely impact mission success, protecting data and networks from malicious payloads and actors. With mentoring, challenging hands-on problem-solving, and opportunities to learn new tools and skills, we focus on growing as a team to make the best solutions for our customers.
What You’ll Work On:
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Develop relationships quickly and easily with other teams, communicating the complexities of security with a wide variety of audiences, including senior management.
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Manage infrastructure and cybersecurity controls, including enhanced detection and vulnerability capabilities, and improved event correlation in large enterprises.
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Contribute to risk and vulnerability assessments in network, system, and application areas.
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Leverage big data analytics and traditional security event types to identify advanced threats or indicators of compromise.
Requirements
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7+ years of experience performing systems administration for Windows or Linux, including performing basic troubleshooting and installation or configuration, monitoring system performance or availability, and performing security upgrades
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Experience with the deployment or daily maintenance of ForeScout CounterACT appliances
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Experience architecting and designing IP networks, including developing and documenting network topologies
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Experience with network engineering, including physical or logical such as installation and activation of ports, configuration of switches, and LANS, VLANS, and network FW, or appliances or network administration services such as Active Directory, Guests LANS, and domain management
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Knowledge of multidomain architectures, including data center, WAN, and LAN, in virtualized architectures
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Active TS/SCI clearance; willingness to take a polygraph exam
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Associate’s degree and 10+ years of experience supporting IT projects and activities, Bachelor’s degree and 8+ years of experience supporting IT projects and activities, or Master’s degree and 6+ years of experience supporting IT projects and activities
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Ability to obtain a DoD 8570 IAT Level III Certification, such as SecurityX, CCNP Security, CISA, CISSP, GCED, GCIH, or CCSP Certification, within 30 days of start date
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Ability to obtain a DoD 8570 Cybersecurity Service Provider - Infrastructure Support Certification such as CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND Certification, within 30 days of start date
Nice If You Have:
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Knowledge of federal information security policies, standards, procedures, directives, frameworks, federal security authorizations, assessment, and risk management processes for enterprise systems
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Ability to install and deploy ForeScout in a multidomain customer environment
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Ability to integrate cybersecurity data using enterprise or custom tools data aggregation and analysis tools, including Splunk
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Ability to provide support in a Tier II IT operations and maintenance role, including ticket work information updates, issue responses, and remediation
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Ability to be a self-starter, work without considerable direction, and work with a team
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Possession of excellent verbal and written communication skills, including coordinating efforts and establishing customer relations
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ForeScout Certified Administrator (FSCA) or ForeScout Certified Engineer (FSCE) Certification
Benefits
Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Our strong technical and management experts have been able to maintain a standard of excellence in their relationships while delivering innovative, scalable and collaborative infrastructure to our clients.
Why ENS?
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Free Platinum-Level Medical/Dental/Vision coverage, 100% paid for by ENS
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401k Contribution from Day 1
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PTO + 11 Paid Federal Holidays
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Long & Short Term Disability Insurance
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Group Term Life Insurance
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Tuition, Certification & Professional Development Assistance
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Workers’ Compensation
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Relocation Assistance
Candidate AI Usage Policy
AI tools are an important part of daily work at ENS Solutions, and we are committed to their responsible and ethical use. To ensure a fair and equitable candidate evaluation based on individual skills, knowledge, and experience, candidates are not permitted to use artificial intelligence or other assistive tools during interviews, whether in person or virtual, unless explicit permission has been granted in advance.
How this job compares
Set against the 4,055 open Security Engineer jobs on Olive Jobs, counted October 29, 2026.
- Pay
- This postingNot listed
- Washington, D.C. median$144–207K/yr81 salary ranges
- US median$60–72/hr79 hourly ranges
- Openings
- Olive Jobs lists 111 open Security Engineer jobs in Washington, D.C. and 4,055 across the US. 8% of them nationwide are listed as remote or flexible.
- Hiring the most in Washington, D.C.
- Koniag Government Services11 open
- Meta10 open
- ENS Solutions (this employer)6 open
- Experience
- This posting asks for at least 7 years of experience; Security Engineer postings that state a minimum ask for 5 years at the median (3,500 postings).
- Education
- 1,547 of the 4,055 open Security Engineer jobs (38%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on October 29, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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