Junior Defensive Cyber Operator Defender

Position: Junior Defensive Cyber Operator — Travel-Ready Defender

Description

Description

Job Title: Junior Defensive Cyber Operator

Place of Performance: Fort Belvoir, VA

Mandatory Requirements: TS/SCI

Experience Level: Jr Level (2+ years)

On-Site, hybrid, remote: On-Site

Travel: Up to 20-50% (CONUS & OCONUS) travel

About JFL Consulting: With more than 20 years of securing some of the U.S. Department of Defense and the Intelligence Community’s most critical networks, JFL Consulting, LLC provides advanced network security solutions to a range of US Government and US commercial clients. Our cybersecurity operators are experts at assessing and defending mission-critical data and the networks that facilitate their operation. We are focused on delivering advanced products and industry best practices that meet each customer’s unique requirements.

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What We Offer

• Salary: $75k- $110k
• 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)
• We support your growth through certification reimbursement, dedicated professional development funding, and company-provided access to online learning platforms

Job Overview

JFL Consulting is currently seeking a motivated Junior Defensive Cyber Operator to join a traveling mobile defensive cyber operations assessment team. The successful candidate will support network vulnerability and security assessments designed to identify cybersecurity risks and recommend remediation actions for customers. Working under the direction of a Senior Cyber Operator, the Junior Defensive Cyber Operator will assist with collecting and analyzing full-packet-capture network traffic, identifying unauthorized or potentially malicious activity, conducting vulnerability and configuration-compliance scans, and developing network models.

The Junior Defensive Cyber Operator will also help document technical findings and prepare reports and briefings for customers.

This position is well suited for someone with foundational cybersecurity or networking experience who wants to develop hands-on skills in network forensics, vulnerability assessment, packet analysis, and network modeling. JFL Consulting can provide structured training, mentoring, and on-the-job experience to help the selected candidate progress toward independently performing all aspects of an assessment. The team operates in a fast-paced environment and travels to customer locations to complete mission objectives.

Candidates must be comfortable learning new tools, troubleshooting technical problems, working collaboratively, and adapting to changing mission requirements.



Key Responsibilities

• Support the technical planning, preparation, and execution of defensive cyber assessments
• Work under the supervision of a Senior Cyber Operator to safely connect assessment equipment to customer networks
• Assist with configuring and operating network taps, sensors, and other data-collection equipment
• Capture and analyze network traffic using packet-analysis and network-security monitoring tools
• Review network traffic for unauthorized activity, security weaknesses, indicators of compromise, and abnormal behavior
• Assist with conducting credentialed and non-credentialed vulnerability and configuration-compliance scans
• Support network discovery, configuration collection, and network-modeling activities
• Review assessment results and help identify potential vulnerabilities, misconfigurations, and cybersecurity risks
• Document technical observations, supporting evidence, and recommended mitigation actions
• Assist with preparing assessment reports,…