Sr. Cyber Analyst - Top Secret Clearance (SCI Eligible)

JFL Consulting LLC•Washington, DC

6h•Onsite

About The Position

JFL Consulting, LLC is seeking a Senior Cyber Security Analyst to support critical cybersecurity operations within highly secure environments. You’ll play a key role in detecting anomalies, analyzing complex systems, and strengthening network security for high-value missions. This position is ideal for professionals who enjoy deep technical work, problem-solving, and contributing to meaningful national security efforts within a collaborative, mission-driven team.

Requirements

Top Secret Clearance (SCI Eligible)
Senior-Level (8+ years in cybersecurity, 3+ years in passive vulnerability analysis)
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.
Must hold an IAT Level II certification (e.g., Security+ CE, CySA+, CCNA Security, GSEC).

Nice To Haves

A master's degree is a plus.
CSSP Analyst certification (e.g., CEH, CySA+, GCIA, GCIH).
Advanced certifications such as CISSP (Certified Information Systems Security Professional), OSCP (Offensive Security Certified Professional), or similar.
Experience supporting DoD or Intelligence Community networks
Practical experience with firewalls, network TAPs, IDS/IPS, endpoint protection, and other network defense technologies
Adept in evaluating network protocols utilizing network analyzers, such as Wireshark, Tshark, and tcpdump
Experienced in analyzing network datasets, including Zeek and firewall logs, to support threat hunting and security investigations.
Experienced in leveraging data analysis platforms, such as Splunk, Kibana, and Arkime, to detect and analyze anomalous network activity
Proficient in 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/response strategies
Experience working within the framework of a CONOPS or similar operational document
Awareness of DoD cybersecurity frameworks (e.g., RMF, CMMC, NIST 800-53) and their application in secure system design and monitoring.
Knowledge of common enterprise network architectures and defense mechanisms
Experienced in analyzing TCP/IP, DNS, HTTP/S, SSL/TLS, SMB, and RDP protocols to identify vulnerabilities, misconfigurations, and indicators of malicious activity.
Strong analytical and investigative mindset
Excellent documentation and reporting skills
Effective communicator with ability to explain technical issues to both technical and non-technical audiences
Comfortable working independently and as part of a cross-functional team

Responsibilities

Ensure the safe and proper functional operation of the toolkit and its components.
Collect and document measures of performance per approved CONOPS.
Analyze and document behaviors, characteristics, and attributes of a network’s baseline activity within steady-state operations.
Analyze and investigate potential anomalies or outliers from established baseline.
Analyze and identify misconfigurations, faults, and vulnerabilities within the network’s architecture, subcomponents, and utilized communication protocols.
Determine root source of anomalies and extent of vulnerable findings for validation with system users and administrators.
Document and report anomalies to appropriate channels for further investigation and notification.
Document vulnerable findings and provide recommendations through appropriate channels that increase both security and operational capacity of the respective network.
Recommend improvements to current operations for potential incorporation into the overall program.
Collaborate with cross-functional teams to support incident response, system hardening, and policy development as needed.
Additional duties as assigned