Help Desk Tier 2/ Help Desk Tier 3

R-00174808

Description

Join #TeamLeidos 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   CyberOps.  
  
• ​ 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 ability to obtain and maintain TS/SCI.
  
• ​ CompTIA Security+   or equivalent DoD 8140   Intermediate   certification   required.  
  
• ​ Certified Ethical Hacker.  
  
• ​ Cisco Certified   CyberOps.  
  
• ​ 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.
  

​  

​ Preferred Qualifications:  

• ​ Certified Information Systems Security Professional (CISSP)
  
• ​ GIAC Security Essentials ( GSEC )  
  
• ​ Certified Information Security Manager (CISM)
  
• ​ Certified Information Systems Auditor (CISA)  
  

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting: January 29, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range: Pay Range $59,150.00 - $106,925.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.