Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Linux Network Security Engineer

$99k - $225k

Booz Allen Hamilton

Job Number: R0237048

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.

Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Linux Network Security Engineer in Reston, VA vacancy
  • $99k - $225k

     ...Linux Network Security Engineer Reston, VA Top Secret/SCI Polygraph Career Level not specified $99,000 - $225,000 Job Description The Opportunity: We are seeking a seasoned Endace Implementation and Sustainment Engineer to architect, deploy, integrate, and operate... 
    Linux
    Full time
    Contract work
    Part time
    Local area

    Navstar

    Reston, VA
    3 days ago
  •  ...MANTECH seeks a driven and mission-focused Cyber Software Engineer to join our elite team based in Herndon, VA .   In this role...  ...RESTful API development and integration. • Understanding of Linux/Unix operating system environments. Preferred... 
    Linux
    Full time
    Work at office

    MANTECH

    Herndon, VA
    18 hours ago
  •  ...skills and the ability to think strategically about security Continuous learning mindset Experience...  ...hands-on experience with AWS Proficient in both Linux and Windows environments Hardware, software, and network-level troubleshooting skills Log management... 
    Linux
    Remote work

    The Dignify Solutions, LLC

    Herndon, VA
    3 days ago
  •  ...Our client is currently seeking a Security Engineer - IV [ Additional Description ] ****Working Model: Prefer hybrid, but open to...  ...across different platforms and systems. Deep knowledge of Linux and Windows and their vulnerabilities. Knowledge of the cyber... 
    Linux
    Work experience placement
    Work at office
    Work from home

    The Judge Group

    Reston, VA
    1 day ago
  • $101k - $194k

     ...What you'll be doing... The GN&T Network Security team is looking for a highly motivated and experienced Cybersecurity Engineer to join the Network Security Defense team....  ...leading SQL and NoSQL technologies, UNIX or Linux systems engineering expertise with a variety... 
    Linux
    Full time
    Temporary work
    Part time
    Work experience placement
    Work at office
    Work from home
    Shift work
    3 days per week

    Verizon

    Ashburn, VA
    2 days ago
  • $80k - $128k

     ...AWS Security Engineer Job Locations US Requisition ID 2026-166721 Position Category Information Technology...  ...engineering, design, and integration and system administration in Linux or RHEL environments. ~ Strong understanding of system... 
    Linux
    Contract work
    Remote work
    Shift work

    Peraton

    Herndon, VA
    4 days ago
  • $49 - $70 per hour

     ...Job Summary: Our client is seeking a Network Security Engineer to join their team! This position is located in McLean, Virginia....  ...Comfortable navigating and performing administrative tasks in a Linux shell environment Familiarity with regulatory frameworks... 
    Linux
    Local area
    Remote work

    KellyMitchell Group

    McLean, VA
    1 day ago
  • $131.3k - $237.35k

     ...highly motivatedCybersecurity Engineer to supportTSA on...  ...push forward Transportation Security Administration (TSA) Modernization...  ...Engineer will design and implement network monitoring and identity management...  ...policies in Windows and Linux environments Familiarity with... 
    Linux
    Local area
    Immediate start
    Remote work
    Shift work

    Leidos

    Reston, VA
    1 day ago
  • $55 - $75.25 per hour

     ...Senior Cyber Security Engineer We are hiring a Senior Cyber Security Engineer! Role: Senior...  ...~3–5+ years of experience with networking fundamentals (TCP/IP, firewalls, DNS, proxy...  ...management processes ~ Strong experience with Linux administration ~ Familiarity with... 
    Linux
    Hourly pay
    Contract work

    Apex Systems

    Vienna, VA
    4 days ago
  •  ...Senior Cyber Engineer Intelligent. Dynamic. Resilient. Everfox...  ...'s most critical data and networks against the most complex cyber...  ...-grade, high assurance cyber security, we have been leading the way...  ...Self-starter utilizing your Linux and scripting expertise to support... 
    Linux
    Permanent employment
    Full time
    For contractors
    Local area
    Remote work
    Monday to Friday
    Flexible hours

    Everfox

    Vienna, VA
    1 day ago
  • $70 - $82 per hour

    *Description* Peraton is seeking a Security Engineer to support enterprise data protection, secure...  ..., protocol enforcement, multi-network data movement, and secure information exchange...  ...EverFox Data Guard Red Hat Enterprise Linux (RHEL) ELS Nodes, Data Guard Web... 
    Linux
    Contract work
    Temporary work
    Remote work

    TEKsystems

    Herndon, VA
    4 days ago
  • $174k - $188k

     ...Cybersecurity position supporting highly secure, cloud-based systems in...  ...with developers, DevOps engineers, system architects, and ISSMs...  ...Required Skills: Linux command line administration...  ...programming with BASH and Python Networking fundamentals (routing,... 
    Linux
    Immediate start
    Flexible hours

    RCT Systems

    Reston, VA
    2 days ago
  •  ...Description Senior Cybersecurity Engineer - Data Scanning Location:...  ...with other Cyber Security Engineers supporting technologies...  ...3-5 years' experience with Networking (TCP/IP, Firewall rules, DNS...  ...Management Experience with Linux Administration Experience... 
    Linux
    Work experience placement
    3 days per week

    C.C. Pace Systems

    Vienna, VA
    4 days ago
  •  ...Security Development Engineering SecDevOps exists to bridge the gap between Security and Engineering....  ...Kubernetes Experience with Unix / Linux/Windows operating system internals...  ...inodes, system calls, hardening) and networking (e.g., TCP / IP, routing, DNS,... 
    Linux
    Immediate start

    Asset Staffing

    Herndon, VA
    3 days ago
  •  ...Forescout Cyber Security Engineer, Mid What You'll Work On: · Develop relationships quickly...  ...risk and vulnerability assessments in network, system, and application areas, and...  ...systems administration for Windows or Linux, including performing basic troubleshooting... 
    Linux
    Contract work

    Cinteot Inc.

    Reston, VA
    18 hours ago
  • $84.9k - $114.1k

     ...world’s most critical data and networks against the most complex...  ...-grade, high assurance cyber security, we have been leading the way...  ...immediate need for a Software Engineer to enhance capabilities of cyber...  ...-domain products including Linux based trusted access thin-client... 
    Linux
    Permanent employment
    For contractors
    Local area
    Immediate start
    Remote work
    Monday to Friday
    Flexible hours

    TryApplyNow

    Herndon, VA
    4 days ago
  •  ...Software Engineer IV *****MUST HAVE AN ACTIVE TS/SCI WITH CI POLY CLEARANCE****** We are...  ...Hands-on experience with Unix/Linux TS/SCI with Poly *****MUST HAVE AN ACTIVE...  ...SCI WITH CI POLY CLEARANCE****** Desired: Security+ or equivalent certification and willingness... 
    Linux
    Work at office

    Navstar

    Herndon, VA
    3 days ago
  • $60 - $65 per hour

     ...Title: Senior Cybersecurity Engineer Location: Merrifield, VA...  ...improvement to ensure robust data security and compliance. Your...  ...and security ~3-5 years of networking experience including TCP/IP,...  ...Change Management processes ~ Linux administration and container... 
    Linux
    Hourly pay
    Full time
    Work experience placement
    Afternoon shift

    Seneca

    Vienna, VA
    4 days ago
  • $120k - $185k

     ...Suricata Cyber Security Engineer Location: Reston, VA or Washington, DC Required...  ...solutions operating within Red Hat Enterprise Linux environments. The ideal candidate will...  ...technologies including Napatech network interface cards (NICs). This position... 
    Linux
    Full time
    Remote work

    Ennoble First, Inc.

    Reston, VA
    2 days ago
  •  ...seeking a highly skilled Information Systems Security Engineer (ISSE) to design, implement, and...  ...controls across enterprise systems and networks. This role ensures systems are compliant...  ...Knowledge of operating systems (Windows, Linux) and network security principles ~... 
    Linux

    VTG

    Herndon, VA
    1 day ago
  •  ...is currently seeking a remote Lead Sr. Security Engineer - Data Loss Prevention (DLP - Forcepoint...  ...Plugins, UDP & TCP Adaptors, and multi-network transfer solutions supporting secure...  ...cloud environments, Red Hat Enterprise Linux, and Windows enterprise systems. ~... 
    Linux
    Remote work

    Tandym Group

    Reston, VA
    1 day ago
  •  ...environment supporting national security. In this role, you will be...  ...software in Windows and Linux/Unix environments across multiple...  ...research and reverse engineering techniques to guide software...  ...Experience Experience with network protocol analysis and static/... 
    Linux
    Contract work

    Redhorse Corporation

    Herndon, VA
    1 day ago
  •  ...Req ID: 40530 Summary Jr Cyber Security Engineer Vienna, VA Are you ready to enhance your skills and build your career...  ...and configuration management in compliance with STIGs for Linux, Windows, and network devices Monitoring systems for security events and... 
    Linux
    Work at office
    Work from home
    Home office

    Chenega Corporation

    Vienna, VA
    7 days ago
  • $79.37k - $134.92k

     ...Description BAE Systems Cyber Security Products (CSP) group is seeking a dynamic Cyber Engineer II who thrives at the intersection...  ...cross domain platforms, networking gear, and associated security tools...  ...experience with Red Hat Enterprise Linux and Windows(installation,... 
    Linux
    Full time
    Local area

    BAE Systems USA

    Reston, VA
    1 day ago
  • $84.9k - $114.1k

     ...Everfox is seeking a Junior Cyber Engineer for their Herndon, Virginia...  ...capabilities for cyber products aimed at security-conscious customers. Candidates...  ...relevant fields, experience in Linux software development, and knowledge of networking protocols. The salary range is... 
    Linux
    Full time
    Remote work
    Flexible hours

    TryApplyNow

    Herndon, VA
    14 days ago
  • $120.64k - $197.6k

     ...This position plays a hands-on role securing systems that support critical Defense...  ...risk management frameworks, engineering security controls, and maintaining system...  ...management in compliance with STIGs for Linux, Windows, and network devices Monitor systems for... 
    Linux
    Relocation
    Relocation package

    Esri

    Vienna, VA
    4 days ago
  •  ...interests. Requisition #: 1439 Job Title: Security Engineering Lead Job Title for Careers Page:...  ...Certifications Minimum required A+, Security+ or Network+; CISSP certification. Education,...  ...algorithms, Operating Systems (Linux, windows), secure communications, SIEM... 
    Linux

    Agile Defense

    Reston, VA
    17 days ago
  •  ...Cyber Security Systems Engineer - Full Performance Cyber Security Systems Engineers work on all systems...  ...responsible for providing Network Defense. Duties, Tasks, and Responsibilities...  ...Minimum Experience Some Linux experience Minimum of five years of... 
    Linux
    Full time

    Beyond SOF

    Herndon, VA
    8 days ago
  •  ...Information Systems Security Engineer Location: Herndon, VA *Clearance: Active TS/SCI w/ Polygraph...  ..., cloud architecture, systems and network engineering, systems integration, agile...  ...source tools including but not limited to: Linux, Python, C, Bash Scripting, Perl, SQL,... 
    Linux
    Worldwide

    Cornerstone Defense

    Herndon, VA
    1 day ago
  •  ...actively seeking experienced Cybersecurity Engineers with a minimum of eleven (11) years of relevant experience supporting secure, mission-critical environments. Ideal candidates...  ...Strong working knowledge of Windows and Linux operating systems Experience with system... 
    Linux

    Emergent Tech Inc

    Reston, VA
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Linux Network Security Engineer. Be the first to apply!