Information System Security Engineer

LanceSoft, Inc.; Melbourne (FL); On-site; USD 85,000 - 120,000; Full time

Job summary

LanceSoft, Inc. seeks an Information Security Systems Engineer (ISSE) to support SIEM platforms for federal government customers in Melbourne, FL.

The role focuses on platform administration, log and data flow support, content development, and troubleshooting across Windows and Linux environments. Ideal candidates have hands-on SIEM experience, a solid Linux foundation, and working knowledge of networking, log analysis, and enterprise security operations.

Qualifications

• Hands-on SIEM or centralized logging experience required.
• Solid Linux system administration knowledge.
• Understanding of TCP/IP, log analysis and enterprise security operations.

Responsibilities

• Administer SIEM platforms in Windows and Linux environments.
• Develop, tune, and maintain SIEM content: dashboards, reports, alerts, rules, filters, queries.
• Support log ingestion, onboarding of new log sources, data normalization and data flow optimization.
• Troubleshoot SIEM platform issues and data flow interruptions.
• Perform system administration for SIEM servers and related apps.
• Use Linux CLI for routine admin and troubleshooting tasks.
• Assist with SIEM upgrades, patching, and configuration changes.
• Maintain documentation per engineering processes.
• Collaborate with internal teams and customers on issues and requirements.
• Provide secondary admin support for related security tools.

Skills

SIEM engineering

Linux administration

Networking fundamentals

Technical documentation

Education

Bachelor’s degree in CS/IT/engineering

Graduate degree in related field

Tools

ArcSight

Splunk

LogRhythm

Exabeam

Job description

• Seeking an early to mid-career Information Security Systems Engineer (ISSE) to support Security Information and Event Management (SIEM) platforms and related security tools in a managed enterprise environment for federal government customers.


• This role is primarily focused on SIEM engineering, including platform administration, log and data flow support, content development, and system troubleshooting across Windows and Linux environments.


• The selected candidate will also provide secondary support for related security tools and applications as needed.


• The ideal candidate will have hands-on experience with SIEM or centralized logging platforms, a solid foundation in Linux system administration, and a working understanding of networking, log analysis, and enterprise security operations.


• This role offers the opportunity to build hands-on expertise with enterprise SIEM and security monitoring technologies while supporting mission-critical environments for federal customers.

Essential Functions:

• Administer, maintain, and support SIEM platforms and associated application components in Windows and Linux environments


• Develop, tune, and maintain SIEM content, including dashboards, reports, alerts, rules, filters, queries, and data views


• Support log ingestion, onboarding of new log sources, data normalization, and data flow optimization to improve visibility and use case performance


• Troubleshoot SIEM platform issues, log collection problems, data flow interruptions, and system performance concerns


• Perform system administration activities for servers hosting SIEM and related security applications


• Use Linux command-line tools to perform routine administration, troubleshooting, and support tasks


• Assist with SIEM platform upgrades, patching, configuration changes, and general lifecycle maintenance


• Apply configuration management and change control practices to maintain system integrity, documentation, and version control


• Develop and maintain technical documentation for system configurations, support procedures, and operational changes in accordance with L3Harris engineering processes


• Collaborate with internal teams and customers to resolve technical issues and support mission and operational requirements


• Provide secondary administration and support for related security tools and applications as assigned


• Participate in routine operational support activities, including maintenance, troubleshooting, and after-hours support when required.

Qualifications:

• Bachelor's degree in Computer Engineering, Cybersecurity, Information Technology, Computer Science, or a related field with a minimum of 2 years of relevant experience; or a graduate degree in a related field with 0-2 years of relevant experience; or an equivalent combination of education and related experience


• Minimum of 2 years of experience supporting or administering SIEM, log management, or similar security monitoring platforms


• Hands-on experience using Linux command-line tools to perform system administration or troubleshooting tasks


• Basic understanding of TCP/IP communications, the OSI model, enterprise data flow concepts, log analysis, event monitoring, and troubleshooting in enterprise IT environments


• Experience following standard engineering, configuration management, or change management practices


• Ability to develop and maintain clear technical documentation, including system configurations, procedures, and updates, in accordance with established engineering processes


• Strong written and verbal communication skills


• Ability to work effectively with internal teams, customers, and other technical stakeholders

Preferred Additional Skills:

• Experience with SIEM platforms such as ArcSight, Splunk, LogRhythm, Exabeam, or similar technologies


• Experience supporting security tools or applications in Windows and Linux server environments


• Familiarity with log parsing, data normalization, filtering, or regular expressions


• Experience with scripting or automation using Shell, Python, or similar languages


• Experience with Windows system administration in an enterprise environment


• Familiarity with security operations workflows, incident triage, or threat detection concepts


• Familiarity with network security monitoring, intrusion detection, or event correlation concepts


• Experience supporting government customers in a regulated or security-focused environment


• Familiarity with NIST SP 800-53, NIST SP 800-171, or similar security control frameworks


• Relevant certifications such as Security+, Linux+, Network+, SIEM vendor certifications, or similar credentials