Information Systems Security Engineer (ISSE)

WILLCOR Inc; Linthicum (MD); On-site; USD 90,000 - 130,000; Full time

Job summary

WILLCOR Inc in Linthicum, MD is seeking an Information Systems Security Engineer (ISSE) to support RMF evaluations for classified and unclassified networks. The role emphasizes network security, cryptography, and cloud computing with the ability to develop countermeasures and technical security documentation.

Key responsibilities include reviewing network diagrams, VPN termination points, applying NIST/CNSSI/DoD guidelines, and producing SARs for leadership.

Qualifications

• Extensive experience in network security, cryptography, and cloud security.
• Proficiency in RMF assessments and tailoring security evaluations to mission needs.
• Excellent technical writing skills for security assessment reports and docs.

Responsibilities

• Conduct manual reviews of network diagrams, configurations, and VPN termination points to identify security risks.
• Assess network device configurations and software TLS security to ensure compliance with security standards; perform RMF reviews.
• Apply security standards and frameworks (e.g., NIST, CNSSI, DoD guidelines) to enhance system security.
• Develop Security Assessment Reports (SARs), technical documents, and risk analyses for senior leadership.
• Provide guidance on encryption, network security architectures, and secure cloud environments.
• Collaborate with cross-functional teams to embed security best practices into designs.

Skills

Network security

Cryptography

Cloud security

RMF assessments

Technical writing

Vulnerability analysis

Job description

Information Systems Security Engineer (ISSE)

• Linthicum, MD

Job Title:Information Systems Security Engineer (ISSE)
Location:Linthicum, MD
Required Clearance: TS/SCI w/ CI Poly
Salary:Negotiable

Overview:
We are seeking a highly skilled Information Systems Security Engineer (ISSE) to support cybersecurity assessments and Risk Management Framework (RMF) evaluations for both classified and unclassified networks. The ideal candidate will have a strong background in network security, cryptography, and cloud computing and possess the ability to conduct in-depth security reviews, develop countermeasures, and create technical security documentation.

Key Responsibilities:

• Conduct manual reviews of network diagrams, configurations, and VPN termination points to identify security risks.
• Assess network device configurations and software TLS security to ensure compliance with security standards. Perform flexible RMF reviews tailored to unique operational needs, prescribing countermeasures for secure communications.
• Apply various security standards and frameworks (e.g., NIST, CNSSI, DoD cybersecurity guidelines) to enhance system security.
• Develop Security Assessment Reports (SARs), technical documents, and risk analyses for senior leadership.
• Provide technical guidance on encryption, network security architectures, and secure cloud computing environments.
• Conduct ad hoc technical and administrative cybersecurity tasks as required.
• Collaborate with cross-functional teams to ensure security best practices are integrated into system designs.
• Exhibit leadership qualities by mentoring junior team members and contributing to security strategy discussions.

Required Qualifications:

• Extensive experience in network security, cryptography, and cloud security.
• Strong understanding of VPN configurations, TLS security, and secure communication protocols.
• Proficiency in RMF assessments and the ability to tailor security evaluations to mission needs.
• Familiarity with applying various cybersecurity frameworks and compliance standards.
• Excellent technical writing skills for creating security assessment reports and documentation.
• Strong analytical and problem-solving abilities to identify vulnerabilities and recommend solutions.

Preferred Qualifications:

• CISSP, CEH, or other relevant security certifications.
• Experience with zero-trust architectures, cloud security frameworks, and modern cryptographic solutions.
• Prior work supporting DoD, intelligence community, or federal government cybersecurity initiatives.