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Booz Allen Hamilton · 1 week ago

IDS and IPS Cyber Security Engineer

Reston, VA

Full-time

Hybrid

Mid, Senior Level

$99K/yr - $225K/yr

3+ years exp

Booz Allen Hamilton is seeking an experienced Network Intrusion Detection Engineer to join their cybersecurity team. The role involves designing, deploying, and maintaining IDS/IPS systems in a complex enterprise environment, with a focus on optimizing configurations and collaborating with security teams.

ConsultingCyber SecurityIT InfrastructureManagement ConsultingSecurity

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Design, deploy, and maintain IDS/IPS systems across a large enterprise with multiple networks

Develop, review, and optimize YAML configuration files to ensure optimal detection capabilities and minimal false positives

Understand and manage the interaction between YAML configuration and its runtime engine, including rule loading, protocol decoding, and logging

Tune IDS/IPS for optimal performance with NICs, including configuring Direct Memory Access (DMA), RSS queues, interrupt coalescing, and leveraging any NIC-specific acceleration features

Collaborate with security teams to integrate IDS/IPS with SIEM and other security monitoring platforms

Troubleshoot installation and operational issues specific to IDS/IPS on Red Hat Enterprise Linux, addressing compatibility, kernel module requirements, SE-Linux policies, and performance tuning

Identify and mitigate common pitfalls encountered when deploying IDS/IPS in large-scale enterprise environments, including package dependencies, system resource constraints, and NIC driver or configuration issues

Provide detailed documentation and runbooks for Suricata configuration, tuning NICs, and deployment processes

Stay current with Platform IDS/IPS Software releases, NIC driver updates, and community best practices for network interface tuning and IDS/IPS performance enhancement

Qualification

Linux engineeringYAML configuration managementSuricataRed Hat Enterprise LinuxNetwork IDS/IPS systemsNIC performance tuningDoD 8570 IAT Level II CertificationScripting languagesCommunication skillsTeam collaboration

Required

Experience working with network IDS/IPS systems such as Snort, Suricata, or Corelight, including hands-on management of its YAML configuration files

Experience administering Red Hat Enterprise Linux (RHEL) systems, including package management such as yum or dnf, kernel module management, SE-Linux configuration, and system optimization via Unix CL and remote shell access vectors such as puTTY or SSH

Experience tuning Suricata for high-performance packet capture with advanced network interface cards such as Napatech NICs

Experience 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

Knowledge of configuration structure, syntax, and how it controls detection rules, logging, and output modules

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

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, OR 10+ years of experience supporting IT projects and activities in lieu of a 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 Cyber Security Service Provider - Infrastructure Support Certification, including CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND Certification, within 60 days of start date

Preferred

Experience with scripting languages such as Bash, Python, YAML, or Ansible to automate Suricata configuration and deployment tasks

Experience integrating Suricata with Splunk or other SIEM solutions

Experience with Detection and Response (NDR) solutions, including Trellix or FireEye, Corelight, Endace, Vectra AI, Dark Trace, Cisco Security Network Analytics, Open XDR, Fortinet FortiNDR, or Trend Vision

Knowledge of network protocols, intrusion detection methodologies, and security event correlation

Knowledge of containerized deployments of Suricata, including Docker or Kubernetes, in enterprise environments

Ability to be a self-starter, work without considerable direction, and work with a team

Possession of excellent verbal and written communication skills, including client briefings and coordinating efforts