Cyber Defense Analyst - 2nd Shift, TS/SCI

Via Logic LLC; Suitland (MD); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos is seeking a Cyber Defense Analyst (2nd Shift) to join a mission-focused team supporting the Navy's cybersecurity environment at the ONI Hopper Global Communications Center in Suitland, MD.

You will monitor, investigate, and respond to cybersecurity alerts for TS/SCI networks, applying CND discipline and IT/network knowledge to protect critical systems. The role includes threat hunting, incident management, and stakeholder communication.

Qualifications

• Bachelor’s degree with 4+ years or Master’s with 2+ years in a related field.
• Active TS/SCI clearance.
• Concentrated experience in the CND discipline.
• Experience monitoring and investigating alerts from cybersecurity tools.
• Experience with SIEM systems (Splunk, Elastic).
• Experience with NIDPS such as Cisco FirePower and Palo Alto NGFW and host-based tools.
• Knowledge of scripting languages: Python, Perl, Ruby, JavaScript, PowerShell, C, C++, Java.
• Knowledge of penetration testing tools: Kali, SamuraiWTF, Nmap, Burp Suite, sqlmap, Metasploit.
• Knowledge of ticketing, reporting, and intelligence gathering/dissemination in cybersecurity.
• Strong analytical and problem-solving skills.

Responsibilities

• Monitor security tools and analyze alerts for TS/SCI networks.
• Monitor organizational cybersecurity tools for alerts, anomalies, and indicators of compromise.
• Investigate and analyze cybersecurity alerts; escalate to Tier 2 as needed.
• Create, update, and manage incident tickets in the ticketing system.
• Conduct proactive threat hunting for malicious activity and emerging threats.
• Perform wireless security scans and report findings.
• Correlate alerts across platforms to identify patterns and threats.
• Prepare and deliver operational and situational awareness briefings.
• Support annual cyber defense exercises.

Skills

SIEM Splunk

Elastic

NIDPS

Cisco FirePower

Palo Alto NGFW

Trellix ePO

Microsoft Defender

Tanium

Python

Perl

Ruby

JavaScript

PowerShell

C

C++

Java

Kali Linux

SamuraiWTF

Nmap

Burp Suite

sqlmap

Metasploit

Ticketing systems

Education

Bachelor's degree in Cybersecurity/IT/Info Assurance

Master’s degree in a related field

Tools

Splunk

Elastic

Cisco FirePower

Palo Alto NGFW

Trellix ePO

Microsoft Defender

Tanium

Job description

Leidos is seeking a Cyber Defense Analyst (2nd Shift) to join a mission-focused team supporting the Navy's cybersecurity environment at the ONI Hopper Global Communications Center in Suitland, MD.

You will monitor, investigate, and respond to cybersecurity alerts for TS/SCI networks, applying CND discipline and IT/network knowledge to protect critical systems. The role includes threat hunting, incident management, and stakeholder communication.