Network Intrusion Prevention Cybersecurity Jobs

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Senior Cyber Security Analyst

JFL Consulting LLC Pearl Harbor, HI

Pearl Harbor, HI

Today

$165k - $180k/yr Full time Senior Cybersecurity Operations Cybersecurity Tools

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Job Description

Senior Cyber Security Analyst role supporting critical cybersecurity operations in a highly secure environment at Pearl Harbor, HI, with a focus on passive vulnerability analysis and anomaly detection.

Responsibilities

Ensure safe and proper functional operation of the tool and technology stack components.
Collect and document measures of performance in alignment with approved CONOPS.
Analyze and document behaviors, characteristics, and attributes of network baseline activity during steady-state operations.
Investigate potential anomalies or outliers relative to established baseline activity.
Identify misconfigurations, faults, and vulnerabilities across the network architecture, subcomponents, and communication protocols.
Determine the root source of anomalies and the scope of vulnerable findings for validation with system users and administrators.
Document and report anomalies through appropriate channels for further investigation and notifications.
Document vulnerable findings and provide recommendations that improve both security and operational capacity of the supported network.
Recommend improvements to current operations for possible incorporation into the overall program.
Collaborate with cross-functional teams to support incident response, system hardening, and policy development as needed.
Perform additional duties as assigned.

Requirements

Top Secret clearance (SCI eligible).
Minimum 8 years in cybersecurity operations or analysis.
3+ years experience with passive vulnerability detection techniques.
Experience supporting DoD or Intelligence Community networks.
Practical experience with firewalls, network TAPs, IDS/IPS, endpoint protection, and other network defense technologies.
Ability to evaluate network protocols using network analyzers such as Wireshark, Tshark, and tcpdump.
Experience analyzing network datasets, including Zeek and firewall logs, to support threat hunting and security investigations.
Experience using data analysis platforms such as Splunk, Kibana, and Arkime to detect and analyze anomalous network activity.
Proficiency triaging Suricata alerts, tuning rules, and creating custom detections.
In-depth understanding of network vulnerabilities and misconfigurations.
Strong knowledge of cybersecurity principles, adversary techniques, and detection and response strategies.
Experience operating within a CONOPS framework or similar operational document.
Awareness of DoD cybersecurity frameworks including RMF, CMMC, and NIST 800-53, and their use in secure system design and monitoring.
Knowledge of common enterprise network architectures and defense mechanisms.
In-depth experience analyzing TCP/IP, DNS, HTTP/S, SSL/TLS, SMB, and RDP to identify vulnerabilities, misconfigurations, and indicators of malicious activity.
Strong analytical and investigative mindset.
Excellent documentation and reporting skills.
Effective communicator able to explain technical issues to technical and non-technical audiences.
Comfort working independently and as part of a cross-functional team.
Education: Bachelor’s degree in Cybersecurity, Computer Science, Information Systems, or a related field (preferred). Equivalent work experience may be considered in lieu of a degree.
Certifications required:
- IAT Level II certification per DoDD 8570.01, 8570.01-M, and 8140.01–03 (examples: Security+ CE, CySA+, CCNA Security, GSEC).
- CSSP Analyst certification per DoDD 8570.01, 8570.01-M, and 8140.01–03 (examples: CEH, CySA+, GCIA, GCIH).
Additional: Master’s degree is a plus; advanced certifications such as CISSP, OSCP, or similar are preferred.

Technologies

Wireshark, Tshark, tcpdump
Zeek
Splunk, Kibana, Arkime
Suricata
IDS/IPS
RMF, CMMC, NIST 800-53
TCP/IP, DNS, HTTP/S, SSL/TLS, SMB, RDP

Benefits

Salary range: $165,000 - $180,000 per year
100% employer-paid medical, dental, and vision premiums for employees and dependents
Flexible Spending Accounts (healthcare, dependent care, and commuter)
Life insurance, short-term disability and long-term disability
401(k) with immediate vesting of company contribution
Generous PTO policy: 15 vacation, 5 sick, 2 personal days, 11 holidays
Certification reimbursement, dedicated professional development funding, and company-provided access to online learning platforms

Job Details

Job type: Full-Time
Location: Pearl Harbor, HI
On-site: On-Site
Place of performance: Pearl Harbor HI
Travel: 5-10%

Job Overview

Support critical cybersecurity operations within highly secure environments.
Deliver advanced network defense strategies with a unique focus on passive vulnerability analysis.
Detect anomalies, analyze complex systems, and strengthen network security for high-value missions.

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