Federal ISSE: Vulnerability, RMF & STIGs Expert

Iniscore Technologies, Inc.; Columbia (MD); On-site; USD 110,000 - 170,000; Full time

Job summary

Iniscore Technologies, Inc. seeks a security-focused ISSE to configure Tenable.sc and Nessus, perform STIG scans, and integrate findings into Splunk. You will support RMF activities and remediation efforts across DoD environments in a 24/7 setting.

Qualifications include DoD 8570-M IAT II or IASAE level, TS/SCI with polygraph, and advanced security coursework or equivalent experience. Expect collaboration with admins and engineers to strengthen system hardening.

Qualifications

• Active DoD 8570.01-M compliance with IAT Level II (Sec+) or IASAE Level 1 (CASP/CISSP) is required.
• Active TS/SCI clearance with a polygraph is required.
• Bachelor’s degree in a related field or equivalent work experience with security emphasis.

Responsibilities

• Configure, operate, and maintain Tenable.sc and Nessus to identify and track vulnerabilities across all environments.
• Troubleshoot scans and coordinate with customer or program resources to resolve scanning issues.
• Conduct STIG compliance scans and interpret results to assist system administrators and ISSEs to validate system hardening and control effectiveness.
• Analyze vulnerability data and trends; create actionable findings and coordinate remediation efforts with system administrators and ISSEs.
• May be required to perform duties outside normal work location.
• Integrate vulnerability and compliance data into Splunk for correlation, trend analysis, and automated compliance reporting.
• Develop dashboards and reports to visualize system risk posture and track remediation progress.
• Support RMF activities, providing technical input for security controls (e.g., Tenable results).
• Assist in developing or refining scanning policies, baselines, and SOPs to improve security posture and compliance consistency.
• Support audits and assessments by providing detailed vulnerability data, remediation evidence, and STIG compliance documentation.
• Implement security vulnerability testing tools to provide continuous monitoring and patch verification.
• Test and evaluate configurations in a lab environment.
• Knowledge of servers, virtualization, routers, switches, and firewalls as well as VLANS, routing and network segmentation.
• Working knowledge of DoD STIGs, and RMF process (NIST 800-53).
• Experience using Splunk for data ingestion, search queries, correlation, and report creation.
• Provide security operations support as needed.
• Candidates should possess excellent communication and teamwork skills.
• Competitive candidates are results oriented, high energy, and self-motivated.
• Candidate may be required to respond to after-hours requests as required in a 24 x 7 environment.

Skills

ISSE experience

Vulnerability assessment

Splunk experience

Communication skills

Team collaboration

Education

Bachelor's degree in CS/Info Assurance

Associate's degree with Security+ plus 2 yrs IT

High school diploma with 4 yrs IT security exp

Tools

Tenable.sc

Nessus

Splunk

DoD STIGs

RMF 800-53

Job description

Iniscore Technologies, Inc. seeks a security-focused ISSE to configure Tenable.sc and Nessus, perform STIG scans, and integrate findings into Splunk. You will support RMF activities and remediation efforts across DoD environments in a 24/7 setting.

Qualifications include DoD 8570-M IAT II or IASAE level, TS/SCI with polygraph, and advanced security coursework or equivalent experience. Expect collaboration with admins and engineers to strengthen system hardening.