Senior ForeScout Engineer - Active TS/SCI with CI Poly

ENS Solutions, LLC; Washington (District of Columbia); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Free Platinum-Level Medical/Dental/VIs

401k Contribution from Day 1

PTO + 11 Paid Federal Holidays

Long & Short Term Disability Insurance

Group Term Life Insurance

Tuition, Certification & Professional 

Relocation Assistance

Job summary

ENS Solutions, LLC is seeking an experienced cybersecurity leader to implement and operate next‑generation defense tools for DoD and commercial clients. You will supervise a team delivering secure network design, Active Directory administration, and security engineering across large, complex environments.

With eligibility for an Active TS/SCI clearance, you will mentor engineers, drive threat analysis, and coordinate with stakeholders to develop effective countermeasures while advancing the

Qualifications

• 7+ years of experience performing systems administration for Windows or Linux, including basic troubleshooting, installation/configuration, monitoring, and security updates.
• Experience with the deployment or daily maintenance of ForeScout CounterACT appliances.
• Experience architecting and designing IP networks, including documenting network topologies.
• Experience with network engineering, including ports, switches, LANs/VLANs, firewalls, and related network services such as Active Directory, guest LANs, and domain management.

Responsibilities

• Develop relationships quickly with teams and management, communicating security complexities to diverse audiences.
• Manage infrastructure and cybersecurity controls, including enhanced detection, vulnerability capabilities, and event correlation in large enterprises.
• Contribute to risk and vulnerability assessments across network, system, and application areas.
• Leverage big data analytics and traditional security event types to identify advanced threats or indicators of compromise.

Skills

Systems administration

Network engineering

Active Directory

Security concepts

Education

Associate’s degree

Bachelor’s degree

Master’s degree

Tools

ForeScout CounterACT

Splunk

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:

• Develop relationships quickly and easily with other teams, communicating the complexities of security with a wide variety of audiences, including senior management.

• Manage infrastructure and cybersecurity controls, including enhanced detection and vulnerability capabilities, and improved event correlation in large enterprises.

• Contribute to risk and vulnerability assessments in network, system, and application areas.

• Leverage big data analytics and traditional security event types to identify advanced threats or indicators of compromise.

• 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

• Experience with the deployment or daily maintenance of ForeScout CounterACT appliances

• Experience architecting and designing IP networks, including developing and documenting network topologies

• 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

• Knowledge of multidomain architectures, including data center, WAN, and LAN, in virtualized architectures

• Active TS/SCI clearance; willingness to take a polygraph exam

• 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

• 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

• 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:

• Knowledge of federal information security policies, standards, procedures, directives, frameworks, federal security authorizations, assessment, and risk management processes for enterprise systems
• Abilityto installand deploy ForeScout in a multidomain customer environment
• Abilitytointegrate cybersecurity data using enterprise or custom tools data aggregation and analysis tools, including Splunk
• Ability to provide support in a Tier II IT operations and maintenance role, including ticket work information updates, issue responses, and remediation
• Ability to be a self-starter, work without considerable direction, and work with a team
• Possession of excellent verbal and written communication skills, including coordinating efforts and establishing customer relations
• ForeScout Certified Administrator (FSCA) or ForeScout Certified Engineer (FSCE) Certification

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?

• Free Platinum-Level Medical/Dental/Vision coverage, 100% paid for by ENS
• 401k Contribution from Day 1
• PTO + 11 Paid Federal Holidays
• Long & Short Term Disability Insurance
• Group Term Life Insurance
• Tuition, Certification & Professional Development Assistance
• Workers’ Compensation
• 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.