Help Desk Tier 2​/Help Desk Tier 3 Security Clearance

Position: Help Desk Tier 2/ Help Desk Tier 3 with Security Clearance

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• Description Join #Team Leidos as a Help Desk Tier 2 / Tier 3 member

Location

Orlando, FL (no telework) and must be willing and able to work onsite. Security Clearance: active and current Secret with ability to obtain and maintain TS/SCI. This posting is for an opportunity ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate’s experience. ​ ​ The Decision Advantage Business Area at Leidos has multiple opening s for Tier 2 / Tier 3 Help Desk Network and Security Operations personnel to work in our Orlando, FL office .

Our team supports the Department of the Air Force (DAF) Battle Network and supporting infrastructure. These personnel will be involved in day-to-day activities and strategic long-term maturation of complex systems. Details are as follows:

• ​ ​ Works under moderate supervision for routine tasks.
• Review day-to-day planned activities and shift tie in to understand system status and ongoing efforts. * ​ Attend daily briefings/meetings to discuss threats, updates, and operational goals. * ​ Verify operational status of security tools * ​ Ensure logs and alerts are being ingested properly into monitoring platforms * ​ Analyze escalated incidents from Tier 1 * ​ Prioritize incidents based on severity and potential impact * ​ Has substantial understanding of job requirements and overall function * ​ Document all actions taken during shift and prepare detailed artifacts to support stakeholders * ​ Update policies and procedures based on lessons learned ​ ​ ​ Primary Responsibilities * ​ Incident Analysis and Response - Perform in-depth analysis of security incidents escalated from Tier 1 , Investigate and respond to complex network and security threats, including malware, phishing, and intrusion attempts.

Conduct root cause analysis to identify vulnerabilities and recommend mitigation strategies. * ​ Threat Hunting - Proactively search for indicators of compromise ( IoCs ) and advanced persistent threats (APTs) within the network.

Utilize threat intelligence feeds and tools to identify emerging threats and assess their impact on the organization. * ​ Network Monitoring - Monitor network traffic and system logs for anomalies and suspicious activities.

Use advanced tools such as SIEM (Security Information and Event Management) platforms to correlate events and detect patterns.

• ​ Escalation Management - Act as the escalation point for unresolved issues from Tier 1.

Escalate critical incidents to Tier 3 or management when necessary, providing detailed documentation and analysis. * ​ Vulnerability Management - Conduct vulnerability assessments and scans using tools like Nessus, Qualys, or OpenVAS.

Collaborate with IT teams to remediate identified vulnerabilities and ensure compliance with security policies.

• ​ Incident Documentation - Maintain detailed records of incidents, including timelines, actions taken, and resolution outcomes.

Prepare post-incident reports and lessons learned documentation.

Basic Qualifications for Tier 2 Help Desk: * ​ Bachelors Degr ee in Computer Science , Information Technology, Cybersecurity, Network Engineering or equivalent with 2 – 4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience.

• Active and current Secret with ability to obtain and maintain TS/SCI. * ​ CompTIA Security+ or equivalent DoD 8140 Intermediate certification required.
• ​ Certified Ethical Hacker.
• ​ Cisco Certified Cyber Ops.
• ​ Microsoft Certified:

Security, Compliance and Identity Fundamentals.

• ​ Experience and knowledge of PC MS Office/ M365 applications & ability to work firsthand with customers.
• ​ Experience in hand l ing sensitive data for commercial and /or Government customers. Basic Qualifications for Tier 3 Help Desk: * ​ Bachelors Degr ee in Computer Science , Information Technology, Cybersecurity, Network Engineering or equivalent with 4 – 8 years of prior relevant experience or Masters with 2 – 6 years of prior relevant experience.
• Active and current Secret with…