Cyber Security Engineer - Information Systems Security Engineer (ISSE) - Senior Principal · Modern Technology Solutions Inc | Nort

Modern Technology Solutions Inc

Jun 23, 2026

Cyber Security Engineer - Information Systems Security Engineer (ISSE) - Senior Principal

On-siteUnited States

Bedford, Massachusetts, United States · Bath Township, Ohio, United States

AWS

About the opportunity

Modern Technology Solutions, Inc. (MTSI) is seeking a Cyber Security - Information Systems Security Engineer ( ISSE) in Dayton, OH or Hanscom Air Force Base, MA.

As a Cybersecurity Engineer / Information Systems Security Engineer (ISSE) with MTSI you will support a customer operating out of Wright Patterson AFB) in Dayton, OH or Hanscom AFB, MA. Position requires travel up to 20%, as required by the Government. The ISSE serves as the Program Office’s information security professional responsible for conducting information system security engineering activities that capture and refine their requirements and ensures security is integrated into system and security architecture designs. The ISSE works with the Systems Engineering teams to incorporate cyber resiliency objectives, techniques, and design principles into all engineering and development efforts throughout the systems development life cycle (SDLC).

Responsibilities

Serve as the Information Systems Security Officer (ISSE) providing technical input, recommendations, and assistance with the implementation of both higher and granular-level cyber security approaches, methods and solutions that incorporate and maintain compliance to requirements resulting from laws, regulations, and other pertinent guidance.

Participate in acquisition meetings (PMR, PDR, CDR, etc.), concept of operation (CONOP) working groups, change boards, technical exchange meetings and other similar activities.

Design and develop security requirements that drive down risk while maintaining operational capability.

Work between architecture-level and implementation-level engineering meetings to maintain a system-wide view of security functions and apply risk mitigation strategies at the appropriate level.

Guide and verify defense contractors’ work against program requirements and goals. This includes participating in technical discussions, trade studies and working groups, and conducting research on industry best practices for potential implementation.

Interface with program managers to explain security requirements, risks and mitigations relative to their priorities of cost and schedule to ensure an acceptable risk tolerance.

Evaluate newly identified threats and vulnerabilities to customer information systems to ascertain the need for additional safeguards and develop timely implementation strategies to reduce risk.

Enforce the design and implementation of trusted relationships among external systems and architectures.

Assess proposed changes to customer information systems, their operation environment, and mission needs for impacts to cybersecurity architectures and continued compliance with cybersecurity requirements.

Provide inputs to development teams responsible for designing and developing organizational information systems and upgrading legacy systems.

Employ best practices when implementing security requirements for information systems including software engineering methodologies, system/security engineering principles, secure design, secure architecture, and secure coding techniques.

Keep abreast of current and new security technologies and threats to better support the customer in maintaining cybersecurity resilience.

Identify integration issues related to the implementation of new systems within the existing infrastructure; recommend mitigation and/or resolution options as appropriate.

Assist in the design of systems and networks that encompass multiple enclaves to include those with differing data protection/classification requirements.

Qualifications

Required Qualifications

18+ years' technical experience in cybersecurity, information technology with focus on cybersecurity implementations.

Demonstrated ability to understand cybersecurity needs of systems at varied stages of the SDLC.

Firm understanding of the DoD 8500.1-M, DoDM 5205.07, Volume 1, Joint SAP Implementation Guide (JSIG), National Institute of Standards and Technology (NIST) Special Publication 800-53, Intelligence Community Directive (ICD) Number 503.

Excellent oral and written communication skills and ability to clearly translate client technical needs into technical specifications.

Demonstrated ability to complete tasks, drive projects to closure, assimilate and correlate project information in a fast-paced environment.

Demonstrated ability to assess and articulate risk, including to non-technical audiences.

Education Requirements

Bachelor’s degree in engineering, computer science, cybersecurity, networking, or programming.

Master’s degree in engineering, computer science, cybersecurity, networking, or programming, (Highly Desired).

Certification Requirements in one or more of the following:

Certified Information Systems Security Professional (CISSP or (CISSP-ISSEP/CISSP-ISSAP)

Certified Cloud Security Professional (CCSP).

AWS Architect or other similar cloud technology security certification

Clearance Requirements

Security Clearance Level Required: Must possess an active Top Secret security clearance, current within five (5) years, based upon a T5 or T5R investigation (formerly known as Single Scope Background Investigation (SSBI) or SSBI Periodic Review (SBPR).

Please Note: U.S. Citizenship is required.

Desired Qualifications

Experience working on DISA Security Technical Implementation Guide (STIG) implementation.

Experience working on-site in a government client environment.

Familiarity with security procedures while working in a SCIF/SAPF environment.

Cloud Security Implementation experience.

Familiarity and experience with NSA requirements for COMSEC.

Experience with DoD Acquisition Lifecycle experience and/or Rapid Acquisition / Rapid Delivery experience

Capable of applying system security engineering expertise to various client programs/processes (e.g., system security design process, engineering life cycle, information domain and cross domain solutions, identification/authentication/authorization of commercial off-the-shelf and government off-the-shelf software employment, system integration, risk management, intrusion detection, contingency planning, incident handling, configuration control, change management, continuous monitoring, auditing, assessment and authorization, confidentiality, integrity, and availability.

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Cyber Security Engineer - Information Systems Security Engineer (ISSE) - Senior Principal

About the opportunity

Responsibilities

Qualifications

Required Qualifications

Education Requirements

Clearance Requirements

Desired Qualifications

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