Cyber Defense Analyst – 12 Hour Weekend Shifts

Leidos; Suitland (MD); On-site; USD 87,000 - 157,000; Part time

Benefits offered by this job

Competitive compensation

Health and Wellness programs

Income Protection

Paid Leave and Retirement

Job summary

Leidos is hiring a Cyber Defense Analyst to join the ONI HGCC team in Suitland, MD. This part-time weekend role (about 24 hours per week) requires a training period with full-time day-shift hours for approximately the first eight weeks.

Post-training, you will support monitoring of security tools, analyze alerts for TS/SCI networks, perform threat hunting, and assist with incident tickets and briefings while maintaining an active TS/SCI clearance.

Qualifications

• Active TS/SCI clearance required.
• Bachelor's degree in a cyber-related field or equivalent experience.
• 4+ years of relevant experience or Master’s with 2+ years.
• Experience monitoring alerts from cybersecurity tools.

Responsibilities

• Perform first line monitoring of security tools and analyze alerts for TS/SCI networks.
• Monitor cybersecurity tools for alerts, anomalies, and indicators of compromise.
• Investigate and perform initial technical analysis of cybersecurity alerts, escalate as needed.
• Create and manage incident tickets in the ticketing system.
• Conduct proactive threat hunting to identify malicious activity.
• Prepare and deliver operational and situational awareness briefings.

Skills

TS/SCI clearance

Cyber defense

SIEM experience

NIDPS knowledge

Scripting languages

Threat hunting

Incident handling

Problem solving

Education

Bachelor's degree in Cybersecurity/IT/Info Assurance

Master's degree in related field

Tools

Splunk

Elastic

Cisco FirePower

Palo Alto NGFW

Trellix ePO

Microsoft Defender

Tanium

Kali

Burp Suite

Nmap

Metasploit

Job description

Cyber Defense Analyst – 12 Hour Weekend Shifts

Location: Suitland, MD Clearance: Active TS/SCI Schedule: Part Time, typically 24 hours per week

Leidos is hiring two Cyber Defense Analysts to join a mission focused team supporting the Navy's cybersecurity environment at the Office of Naval Intelligence (ONI) Hopper Global Communications Center (HGCC) in Suitland, MD. We have one opening for each of the following weekend shifts: Weekend Day Shift Saturday and Sunday: 0730 to 1930 Weekend Night Shift Saturday and Sunday: 1930 to 0730

Work Location and Hours

These are part-time, weekend positions, typically scheduled for 24 hours per week. Each selected candidate will be assigned to one of the two regular weekend schedules listed above.

Training Schedule

For approximately the first two months of employment, both selected candidates will be required to work a full time training schedule during the day shift, Monday through Friday. Candidates must be available to work full time during this schedule for the entire initial training period.

Regular Weekend Schedule

Following completion of training, each Cyber Defense Analyst will transition to the Weekend Day Shift, 0730 to 1930, or Weekend Night Shift, 1930 to 0730, for which they were hired. Occasional additional or alternate shift coverage may be required to support team coverage, employee leave, or other program and staffing needs.

Primary Responsibilities

• Perform first line monitoring of security tools and conduct initial analysis of alerts for TS/SCI networks, including JWICS, ATLAS, and other networks for which HGCC is responsible.


• Monitor organizational cybersecurity tools for alerts, anomalies, and indicators of compromise.


• Investigate and perform initial technical analysis of cybersecurity alerts and events, escalating potential incidents to Tier 2 as appropriate.


• Create, update, and manage incident and event tickets within the approved ticketing system.


• Conduct proactive threat hunting activities to identify potential malicious activity and emerging threats.


• Perform wireless security scans of facilities and document and report findings.


• Correlate alerts and security events across multiple platforms to identify patterns, trends, and potential threats.


• Prepare and deliver operational and situational awareness briefings.


• Support annual cyber defense exercises.

Required Qualifications

Bachelor's degree in Cybersecurity, Information Technology, Information Assurance, or a related area of study desired with 4+ years of experience or Master's degree with 2+ years of experience. Additional experience may be considered in lieu of a degree. Active TS/SCI security clearance in DISS. Concentrated experience in the Computer Network Defense (CND) discipline, regardless of degree. Experience monitoring and investigating alerts from cybersecurity tools. Experience with Security Information and Event Management (SIEM) systems such as Splunk and Elastic. Experience with Network Intrusion Detection/Prevention Systems (NIDPS), such as Cisco FirePower and Palo Alto NGFW, as well as host based tools such as Trellix ePO, Microsoft Defender, and Tanium. Knowledge of scripting and coding languages such as Python, Perl, Ruby, JavaScript, PowerShell, C, C++, and Java. Knowledge of penetration testing and red team tactics, techniques, and procedures, as well as tools such as Kali, SamuraiWTF, Nmap, Burp Suite, sqlmap, and Metasploit. Knowledge of ticketing systems, report writing, and intelligence gathering, analysis, and dissemination techniques specific to cybersecurity. Strong analytical, conceptual, and problem solving skills.

Required Certifications

Must possess one of the following active certifications: CompTIA Security+, CompTIA CySA+, CompTIA PenTest+, CompTIA Cloud+, CEH, FITSP O, GIAC GMON, GIAC GRID, GIAC GCIA, GIAC GCIH, GIAC GICSP, GIAC GCED, GIAC GDSA, GIAC GSEC, CFR, or Cisco CyberOps.

Pay Range

Pay Range: Pay Range $87,100.00 - $157,450.00

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 here.

• competitive compensation


• Health and Wellness programs


• Income Protection


• Paid Leave and Retirement

Commitment and Diversity

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.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

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: October 5, 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.

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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.