Modern Technology Solutions

Cryptography Security Engineer SME

Modern Technology Solutions$163K — $204K *
Aerospace & Defense
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI clearance is required.
  • Bachelor's degree in a relevant field.
  • 15+ years' experience in systems engineering with a focus on crypto and cybersecurity.
  • 10+ years' experience with crypto, NSA certification, and Key Management processes.
  • 5+ years' experience in military, DoD, or Intelligence Community related to space and ground systems.
  • Proficiency in Microsoft Office products; strong communication skills.
  • Ability to produce technical documents and reports.

Responsibilities

  • Provide technical expertise in the development and delivery of cryptographic solutions.
  • Lead trade studies for spacecraft cryptographic units and deliver data-driven recommendations.
  • Oversee design and delivery of encryption units, ensuring compliance and compatibility.
  • Manage integration of encryption units with ground systems and secure architectures.
  • Support testing activities for encryption units, ensuring verification and validation are completed.
  • Provide support for Protected Key Management Architecture (PKMA) processes.
  • Build collaborative relationships with customers and represent the engineering function in key meetings.
  • Lead and mentor junior engineers, overseeing task assignments and career development.
  • Manage the cryptographic lifecycle and enforce best practices.

Benefits

  • Medical coverage options available.
  • Retirement plan with employer contributions.
  • Career development opportunities including training and certifications.
  • Flexible working arrangements.
  • Supportive work environment with a focus on collaboration.
Full Job Description
Modern Technology Solutions, Inc. (MTSI) is seeking a motivated and experienced Cryptography Security Engineer SME to join our team in El Segundo, CA.

The MSEIT effort provides leading-edge Systems Engineering & Integration (SE&I) for the United States Space Force's (USSF) Space Systems Command (SSC). We acquire state-of-the-art Military and Commercial Satellite Communications (SATCOM) systems, providing global, secure, survivable, and protected communications for our nation's warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems.

Key Responsibilities:
  • Provide technical expertise in the development, integration, and delivery of both space and ground cryptographic units, ensuring all solutions align with mission objectives and system requirements.
  • Lead spacecraft cryptographic unit trade studies, evaluating candidate solutions against requirements, interface constraints, environmental considerations, performance criteria, and testability. Deliver clear, data-driven recommendations to program leadership and customers.
  • Oversee the technical design, interface definition, development, and delivery of needed encryption units, including hardware and firmware. Ensure compatibility with subsystems and compliance with mission, cybersecurity, and interface standards.
  • Manage technical design, interface definition, development, and delivery of needed encryption units, ensuring proper integration with ground systems, mission operations, and secure architectures.
  • Support and oversee all testing activities for encryption units including dry runs and SVT. Ensure successful completion of verification and validation campaigns by developing or reviewing test plans, procedures, and reports. Participate in TRRs, dry run, SVTs, participate in CDRL review, address anomalies, and ensure full requirement traceability.
  • Provide supplemental support for Protected Key Management Architecture (PKMA) including secure key management processes, documentation, and architecture alignment.
  • Build and maintain strong, collaborative relationships with government customers, contractors, subcontractors, and FFRDC partners. Represent the crypto engineering function in design reviews, technical interchange meetings, and program-level forums.
  • Lead and mentor engineers (junior to mid-level), including task assignment, technical reviews, and professional development.
  • Oversee crypto lifecycle management. Manage technical scope, priorities, and dependencies for cryptographic tasks within program schedules and constraints.
  • Establish and enforce cryptographic standards and best practices across programs and platforms.


Work Environment:
  • Location: On-site
  • Travel Requirements: About once monthly
  • Working Hours: Standard


Qualifications:

Required:
  • An active TS/SCI is required for this position
  • Bachelors degree
  • Understanding of the discipline and practice of Systems Engineering throughout the system lifecycle phases of concept, development, production, operations, and sustainment
  • 15+ years' experience with systems engineering, which may include crypto, cyber security, requirements development, verification, integration, and test
  • 10+ years' experience with crypto, NSA certification processes, and Key Management processes
  • 5+ years' experience with military or DoD or Intelligence Community space and ground
  • Proficient in Microsoft Office products, such as Excel, Word, and PowerPoint
  • Possess strong oral and written communication and presentation skills; able to author final-version deliverable technical documents and reports


Desired Skills and Experience:
  • Bachelors degree in technical field, such as engineering, mathematics, physics, information systems, information technology, or computer science
  • Masters degree
  • Familiarity with Jira and Confluence
  • Experience with NSA's Key Management Infrastructure (KMI)
  • Experience with HAIPEs and cross-domain solutions (CDS)
  • Certifications, such as CISSP, SANS, CEH, INCOSE CSEP or ESEP, OCSMP (MBSE)


Compensation: The pay range for this position in California is $163,000/year to $204,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.

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About Modern Technology Solutions

Modern Technology Solutions, Inc. (MTSI) is a leading-edge engineering and technology company that provides critical solutions for complex military and commercial programs. MTSI has been providing engineering and technical services to the defense industry since 1993. The company has a strong focus on innovation and is committed to delivering the best solutions to its clients. MTSI has a highly skilled workforce of engineers, scientists, and technical experts who are dedicated to providing the highest quality services to its clients. The company has a proven track record of success and has received numerous awards and recognition for its work.
Learn more about Modern Technology Solutions
Size
1,000 employees
Industry
Founded
1993

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