Senior Crypto Security Engineer

nLogic; El Segundo (CA); On-site; USD 163,000 - 238,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Paid time off

401(k) retirement plan

ESOP

Professional development support

Job summary

_n_Logic in El Segundo, CA seeks a Senior Crypto Security Engineer to lead space/ground cryptographic systems, guide design trades, and mentor engineers. You will own encryption units, ensure mission-aligned interfaces, and oversee testing activities, while collaborating with government and industry partners.

Ideal candidates have 15+ years in systems engineering with crypto and 10+ years in NSA crypto/security processes. On-site role with US citizenship and active TS/SCI clearance preferred.

Qualifications

• Must hold an in-scope TS/SCI clearance and U.S. citizenship.
• Bachelor’s degree required; Master’s preferred for advanced roles.
• 15+ years in systems engineering with crypto/secure systems experience.
• 10+ years in crypto, NSA cert processes, and Key Management.

Responsibilities

• Provide senior technical leadership for space and ground cryptographic systems.
• Lead cryptographic unit trade studies and deliver data-driven recommendations.
• Oversee design, interfaces, hardware/firmware encryption units, and testing.
• Mentor engineers and manage crypto lifecycle within programs.

Skills

TS/SCI security clearance

Systems Engineering experience

Crypto security

Military/DoD space experience

Leadership / mentoring

Education

Bachelor's degree

Master's degree (preferred)

Tools

Jira

Confluence

MS Office

Job description

_n_Logic is seeking a motivated and experienced Senior Crypto Security Engineer to join our team in El Segundo, CA. In this role, you will provide senior technical leadership for space and ground cryptographic systems, guiding design trades, managing interface and architecture alignment, overseeing comprehensive testing activities, and mentoring engineers while ensuring secure, fully compliant mission solutions.

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.

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.

Required Qualifications

• Must currently possess a current, in-scope TS/SCI security clearance
• 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

Preferred Qualifications

• 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)

Work Conditions

• Work Model: Onsite
• Travel: About once monthly
• Work Hours: Standard work hours

Why_n_Logic

At _n_Logic, we support mission-focused defense and space efforts that have real-world impact. Our teams work collaboratively alongside government and industry partners to deliver high-quality, mission-focused solutions.

As a 100% employee-owned company (ESOP), our employees directly share in the success of the organization, creating a culture of accountability, ownership, and long-term investment in our work.

We offer a stable environment with opportunities to develop new skills, take on meaningful responsibilities, and contribute to efforts that support national security and advanced technologies.

Summary of Benefits

_n_Logic offers a comprehensive benefits package including medical, dental, and vision insurance; paid time off; 401(k) retirement plan; Employee Stock Ownership Plan (ESOP); and professional development support.

Position Details

• U.S. Citizenship is required
• Must currently possess an active TS/SCI
• This role is performed on-site in El Segundo, CA
• Compensation: The anticipated salary range for this position is $163,000 to $238,000

Equal Opportunity Employer

_n_Logic is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.