Linux Network Security Engineer

Company: Booz Allen Hamilton
Location: Reston
Posted on: April 4, 2026

Job Description:

Linux Network Security Engineer The Opportunity: We are seeking a seasoned Endace Implementation and Sustainment Engineer to architect, deploy, integrate, and operate Endace packet capture, monitoring, and network recording platforms across a large, distributed enterprise. The ideal candidate has deep experience in network forensics, packet analytics, and telemetry architecture, combined with hands-on familiarity supporting Zero Trust visibility and segmentation strategies. This role owns the end-to-end lifecycle for Endace systems, including design, installation, configuration, maintenance, and long-term optimization, while integrating the platform with SIEM or SOAR, detection engineering, analytics tooling, and broader Zero Trust security controls. You will lead the design, deployment, and configuration of Endace appliances for enterprise-scale packet capture. You will develop packet capture strategies aligned to network architecture, mission requirements, and Zero Trust visibility controls. You will be building high-availability, scalable, and resilient Endace clusters across data centers and cloud-connected environments. You will integrate Endace with analytics ecosystems. You will be maintaining and tuning Endace hardware and software for optimal performance, including upgrades, patching, sensor tuning, and storage lifecycle. You will be troubleshooting packet loss, timing drift, flow indexing issues, clock synchronization, and performance bottlenecks. You will be monitoring device health, capacity, and telemetry fidelity to ensure consistent and forensically sound data capture. You will be managing PCAP retention strategies, indexing policies, and storage allocation across distributed deployments. You will be aligning Endace visibility architecture with Zero Trust telemetry requirements and continuous verification workflows. You will ensure packet capture and telemetry support identity-aware network segmentation and policy enforcement. You will support the development of traffic baselines, segmentation decisions, and enforcement models using Endace data. You will automate deployment, configuration, and sustainment workflows using Ansible, Terraform, or scripting. Building dashboards, runbooks, playbooks, and investigation workflows for SOC, threat hunters, and IR teams. You will partner with network engineering, cloud teams, and security operations to ensure full-spectrum telemetry coverage. You will deliver training and guidance to operational teams on Endace platform usage and best practices. Join us. The world can't wait You Have: 5 years of experience in cybersecurity engineering, Linux system administration, network security, or SOC tooling Experience supporting regulated or high-security environments Experience with PowerShell, Bash, Python, or Ansible Experience integrating packet capture tools with SIEMs, SOAR tools, and investigation platforms Knowledge of core network protocols Active TS/SCI clearance; willingness to take a polygraph exam 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 year of experience supporting IT projects and activities, or 7 years of experience supporting IT projects and activities in lieu of degree DoD 8570.01-M Information Assurance Technician (IAT) Level II Certification, including Security CE, CCNA-Security, GSEC, SSCP, CySA, GICSP, or CND Certification Ability to obtain a DoD 8570.01-M Cybersecurity Service Provider - Infrastructure Support Certification, including CEH, CHFI, CFR, Cloud, or CND certification within 30 days of start date Nice If You Have: Experience deploying, configuring, and managing Endace DAG and EndaceProbe solutions in production Experience leading architecture conversations and driving platform strategy Experience with complementary network tools Experience with cloud networking and packet capture strategies in AWS, Azure, or GCP Knowledge of packet analysis, network forensics, deep packet inspection, and PCAP workflows Ability to collaborate with cross-functional technical and non-technical stakeholders Possession of strong analytical and problem-solving skills Possession of excellent communication and documentation skills CISSP, GCIA, GNFA, GCIH, or other Certification Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $99,000.00 to $225,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Candidate AI Usage Policy AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided . Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings. Remote : If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility. Hybrid : If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

Keywords: Booz Allen Hamilton, Lancaster , Linux Network Security Engineer, Engineering , Reston, Pennsylvania