Sr. Specialist, ISSE - Network Security

Job Title

Sr. Specialist, Information Systems Security Engineer

30043

Greenville, TX

9/80

Experienced Information System Security professional with proficient cybersecurity knowledge who can work under general supervision from the Information System Security Manager (ISSM). Works closely with applicable Information System Owner(s), information systems engineers, program management, and engineering to explain and interpret cybersecurity processes, practices, and procedures. Recommends enhancements to information systems and related processes. Provides protection and safeguarding of information systems and is assigned responsibility for the day‑to‑day security operations of multiple systems.

Candidates must be knowledgeable in information technology, information system security, and the Risk Management Framework. Additionally, the candidate should have knowledge and experience in Virtual Machines, Windows Servers, Linux, and Cloud environments.

• Design, implement, and maintain robust information security systems and protocols.
• Conduct regular security assessments, vulnerability testing, and risk analysis.
• Develop and enforce security policies, procedures, and standards.
• Monitor and respond to security incidents and breaches, providing expert analysis and resolution.
• Collaborate with IT and other departments to ensure security measures are integrated into all systems and processes.
• Stay updated with the latest security trends, threats, and technology solutions.
• Provide mentorship and guidance to junior security engineers and IT staff.
• Prepare and present detailed reports on security status, incidents, and improvements to senior management.
• Part of a diversely skilled engineering team in the design, implementation, and testing of complex interoperable systems.
• Troubleshoot unique and highly customized systems in a secure environment.
• Translate customer system requirements into DOORS/Jira.
• Must work on the facility with some limited flexibility.
• Business travel approximately 10% of man‑year.

• Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
• Top Secret/SCI Clearance.
• CompTIA Security+ required to be considered.

• Possesses one of the following certifications at time of hire, or obtains one within 6 months of hire:
  Associate of CISSP, CISSP, CCNA Security, CSA+, GICSP, GSEC, Security+ CE, SSCP, Linux+, Cloud+ (DoD 8140/8570 qualified certifications)
• Strong technical writing skills.
• Familiar with communications systems, computer networking concepts, protocols (including TCP/IP), and security methodologies.
• Familiar with security engineering principles and processes.
• Aware of basic security engineering design patterns, processes, and technologies.
• Able to work in both group and individual settings under the direction, oversight, and mentoring of senior engineers.
• Asks questions and seeks clarification on unfamiliar and/or unclear concepts, designs, and implementation details.
• Strong problem‑solving, creative thinking, and multi‑tasking skills.
• Experience with matrixed development teams (hardware, software, systems engineers) and embedded systems engineering.
• JCIDS, DJSIG, NIACAP, FIPS 140‑2 or 140‑3, NSA certification.
• High assurance crypto systems.
• Gov’t advisory/assistance as SETA/A&AS contractor in cybersecurity‑related role.
• Agile development processes.
• Other security or technical certifications: CISA, CISM, CEH, CPT, MCSE, CCNA, Red Hat, Network+, SANS GIAC, Security+, CCNP Security, Cloud+, Linux+, etc.
• Experience with TEMPEST, Anti‑Tamper, or other system security specialties.

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Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including…