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# Senior Information Systems Security Officer (Team Lead)

- **Company:** Data Inc
- **Location:** Vienna, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Communications Protocols, Cyber Security, System Configuration, Linux, Data Intelligence, Intrusion Detection and Prevention, Intrusion Detection Systems, Key Management, Network Architecture, Network Protocols, Security Software, Security Information and Event Management, Firewalls (Computer Science), Information Technology, Cybercrime, CIS Benchmarks, Vulnerability Analysis
- **Published:** October 18, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=306b4a3256343579

## About the Role

* 5+ years experience in an ISSO capacity.
 * Demonstrated expertise in systems security requirements and policy.
 * Strong incident response and management experience
 * Demonstrated experience with, and knowledge of, security frameworks and standards such as NIST, ISO 27001, and CIS Controls.
 * Extensive use of threat monitoring platforms.
 * Experienced with, and knowledgeable of, security technologies, tools, and methodologies (e.g. firewalls, IDS/IPS, SIEM systems).
 * Can demonstrate experience with network protocols and architecture.
 * Heavy experience with data encryption techniques and key management practices.
 * Proficiency with compliance requirements (FISMA).
 * Ability to work with operating systems (e.g. Windows and Linux) and their security features.
 * Experience conducting and analyzing system scans.
 * Hands-on with designing and implementing security internal policies, agency standards, and procedures.
 * Proficiency with risk assessment and management techniques.
 * Experienced configuring and managing security tools and systems.

Required Certifications (One or more):

 * Certifications (C)ISSO, CISA, CISM, CISSP.

Security Clearance:

 * Top Secret / SCI with CI Polygraph

## Description

* Implement, maintain, and enforce information systems security requirements, policies, standards, and procedures.
 * Monitor system security posture, identify potential threats, and coordinate incident response and remediation activities.
 * Conduct security risk assessments, vulnerability assessments, and system scans to identify and address potential security weaknesses.
 * Configure, manage, and maintain cybersecurity tools and technologies, including firewalls, intrusion detection/prevention systems (IDS/IPS), and security information and event management (SIEM) platforms.
 * Analyze security monitoring data, system logs, and vulnerability scan results to identify risks and recommend corrective actions.
 * Support compliance with federal cybersecurity requirements, including the Federal Information Security Modernization Act (FISMA).
 * Apply established security frameworks and standards, including NIST, ISO 27001, and CIS Controls.
 * Develop, implement, and maintain internal security policies, agency standards, and operating procedures.
 * Evaluate network architecture, communication protocols, and system configurations to identify security risks.
 * Assess encryption technologies, key management practices, and data protection controls.
 * Evaluate and strengthen security configurations across Windows and Linux operating systems.
 * Collaborate with technical teams and stakeholders to address security findings, implement safeguards, and support continuous security improvement.