Suricata Engineer - Active TS/SCI with CI Poly
What You'll Work On
Designing, deploying, and maintaining Suricata IDS/IPS systems across enterprise networks
Developing, reviewing, and optimizing Suricata YAML configuration files to ensure optimal detection capabilities and minimal false positives
Understanding and managing the interaction between Suricata's YAML configuration and its runtime engine, including rule loading, protocol decoding, and logging
Tuning Suricata for optimal performance with Napatech NICs, including configuring Direct Memory Access (DMA), Receive Side Scaling (RSS), interrupt coalescing, and leveraging any NIC-specific acceleration features
Collaborating with security teams to integrate Suricata with SIEM and other security monitoring platforms
Troubleshooting installation and operational issues specific to Suricata on Red Hat Enterprise Linux, addressing compatibility, kernel module requirements, SELinux policies, and performance tuning
Identifying and mitigating common pitfalls encountered when deploying Suricata in large-scale enterprise environments, including package dependencies, system resource constraints, and NIC driver/configuration issues
Providing detailed documentation and runbooks for Suricata configuration, tuning NICs, and deployment processes
Staying current with Suricata releases, NIC driver updates, and community best practices for network interface tuning and IDS/IPS performance enhancement
Requirements
Proven experience working with Suricata IDS/IPS systems, including hands-on management of its YAML configuration files
Strong knowledge of the Suricata configuration structure, syntax, and how it controls detection rules, logging, and output modules
Extensive experience administering Red Hat Enterprise Linux (RHEL) systems, including package management (yum/dnf), kernel module management, SELinux configuration, and system optimization
Extensive experience tuning Suricata for high-performance packet capture with Napatech NICs or similar advanced network interface cards
Familiarity with NIC-specific features such as DMA, Receive Side Scaling (RSS), interrupt moderation, and offload capabilities, and how to configure them for Suricata
Experience troubleshooting Suricata's interaction with NIC drivers and kernel modules in an enterprise environment
Experience with scripting languages (Bash, Python) to automate Suricata configuration and deployment tasks
TS/SCI clearance with the ability to obtain a counter-intelligence polygraph
Associate's degree and 5+ years of experience supporting IT projects and activities or Bachelor's degree and 3+ years of experience supporting IT projects and activities or Master's degree and 1+ years of experience supporting IT projects and activities
Years of experience may be accepted in lieu of degree
DoD 8570 IAT Level II Certification, including Security+ CE, CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND Certification
Ability to obtain a DoD 8570 Cybersecurity Service Provider - Infrastructure Support Certification, including CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND Certification, within 60 days of start date
Nice If You Have
Proficient understanding of network protocols, intrusion detection methodologies, and security event correlation
Experience integrating Suricata with Splunk, or other SIEM solutions
Knowledge of containerized deployments of Suricata (Docker/Kubernetes) in enterprise environments
Familiarity with common Linux operating systems, including RHEL, Oracle, CentOS
Familiarity with other industry-standard IDS/IPS solutions and related technologies
Possession of excellent verbal and written communication skills, including for coordinating efforts and establishing customer relations
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?
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.