Information Systems Security Engineer, Entry Level

Independent Software•Columbia, MD

About The Position

At Independent Software, as an Information Systems Security Engineer (ISSE) you will support vulnerability management, security compliance, and continuous monitoring activities for mission-critical systems. You will configure and maintain Tenable.sc and Nessus, conduct vulnerability and STIG compliance scans, analyze security findings, and work with system administrators and ISSEs to support remediation efforts. You will also use Splunk to correlate vulnerability and compliance data, develop security dashboards and reports, and support Risk Management Framework (RMF), audit, and assessment activities.

Requirements

  • Experience with vulnerability scanning and security compliance
  • Experience with Tenable.sc, Nessus, and Splunk
  • Working knowledge of DoD STIGs, RMF, and NIST 800-53
  • Knowledge of servers, virtualization, routers, switches, firewalls, VLANs, routing, and network segmentation
  • Strong communication and teamwork skills
  • Ability to respond to after-hours requests as required in a 24x7 environment
  • Active DoD 8570.01-M IAT Level II or IASAE Level I compliance required
  • Must possess an active TS SCI with appropriate Polygraph to be considered for this role

Nice To Haves

  • Federal Government ISSE experience of similar scope and complexity is desirable

Responsibilities

  • Configure, operate, and maintain Tenable.sc and Nessus
  • Conduct vulnerability and STIG compliance scans and troubleshoot scanning issues
  • Analyze findings and coordinate remediation with system administrators and ISSEs
  • Use Splunk to correlate security data and develop dashboards and compliance reports
  • Support RMF activities, continuous monitoring, patch verification, audits, and assessments
  • Develop and refine scanning policies, baselines, and SOPs
  • Test and evaluate system configurations in a lab environment
  • Provide security operations support as needed

Benefits

  • Support critical national security missions that matter
  • Be part of a close-knit, employee-first culture where your voice is heard
  • Expand your skills through ongoing training, mentorship, and career development
  • Enjoy competitive compensation, generous benefits, and work-life balance
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service