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Information Systems Security Engineer (ISSE)

WILLCOR Inc
Linthicum, MD Full Time
POSTED ON 5/22/2026
AVAILABLE BEFORE 7/22/2026

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.  

 

Salary.com Estimation for Information Systems Security Engineer (ISSE) in Linthicum, MD
$81,671 to $98,424
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