Information System Security Engineer (ISSE) - Senior

Responsibilities & Qualifications

Required Qualifications

• Security Clearance

  • Must hold an active Top Secret clearance with the ability to obtain SCI.

• Technical Skills

  • Familiarity with the use and operation of security tools, including but not limited to:

    • Tenable Nessus and/or Security Center

    • IBM Guardium

    • HP WebInspect

    • Network Mapper (NMAP)

    • Comparable security assessment and monitoring tools

• Experience

  • Minimum of 8 years of relevant experience, or an equivalent combination of education and experience, such as:

    • Doctorate plus 6 years of experience

    • Master’s plus 6 years of experience

    • Associate’s degree plus 10 years of experience

    • High school diploma or GED plus 14 years of experience

Preferred Qualifications

• Frameworks & Tools

  • Experience with Joint Cybersecurity Authorization Management (JCAM) and/or Xacta.

• Certifications

  • One or more of the following certifications:

    • Certified Information Systems Security Professional (CISSP)

    • Global Information Security Professional (GISP)

    • CompTIA Advanced Security Practitioner (CASP)

    • Certified Secure Software Lifecycle Professional (CSSLP)

    • CISSP–ISSEP (Information Systems Security Engineering Professional)

    • CISSP–ISSAP (Information Systems Security Architecture Professional)

    • Other certifications aligned with DoD Instruction 8570.1, IAM Level II

• Education

  • Bachelor’s or advanced degree in Computer Science, Cybersecurity, or a related IT discipline.

 

RESPONSIBILITIES

Position Responsibilities: Services to support Information System Engineering performed by the Information System Security Engineer (ISSE) includes the following activities:

• Lead, mentor, and supervise a team of security professionals responsible for the end-to-end implementation of the RMF lifecycle for IT systems.
• Oversee and coordinate activities within the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained.
• Guide system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements.
• Direct the selection, tailoring, and documentation of security controls aligned with system categorizations, risk appetite, and compliance requirements.
• Oversee the implementation of technical, operational, and management controls throughout system and application lifecycles, with a particular focus on quality and completeness of all deliverables.
• Ensure comprehensive security control assessments are planned, executed, and documented to validate the effectiveness of implemented safeguards.
• Prepare risk management documentation for system authorization and executive decision-making.
• Direct ongoing monitoring and continuous assessment activities, collecting metrics to adjust security strategies and ensure sustained compliance.
• Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts.
• Foster a culture of security awareness, providing technical guidance and training to both team members and stakeholders.
• Track, report, and communicate status, risks, and improvement opportunities related to security engineering activities to leadership and stakeholders.
• Maintain up-to-date knowledge of RMF, NIST guidance, and industry best practices in support of continuous process improvement.

Overview

We are seeking an Information System Security Engineer (ISSE) to join our team supporting a government customer. TekSynap is a fast-growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment. “Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.

The Information System Security Engineer (ISSE) is the Subject Matter Expert for ident