DDIL Infrastructure Architect - TS/SCI/Poly, Edge Ops

Sapient Logic LLC; Charleston (SC); On-site; USD 130,000 - 190,000; Full time

Benefits offered by this job

401(k) matching

Employee assistance program

Flexible spending account

Health insurance

Health savings account

Life insurance

Paid time off

Parental leave

Vision insurance

Job summary

Sapient Logic seeks a DDIL Subject Matter Expert (Infrastructure Engineer/Architect) to guide architecture for secure mission services operating in disconnected environments. The role focuses on local identity and data protection, cache strategies, and resilient synchronization with enterprise services.

The engineer defines operational scenarios, develops implementation roadmaps, and ensures adherence to security controls and performance criteria across edge and on-site deployments in

Qualifications

• Demonstrated expertise designing systems operating with denied or degraded connectivity.
• Experience creating mission/enterprise architectures for disconnected operation and eventual synchronization.
• Translate operational constraints into technical requirements and testable criteria.
• Understand distributed systems concepts: consistency, replication, caching, conflict resolution, failure recovery.
• Address identity, authentication, authorization, or credential dependencies when services are unavailable.
• Security implications of stale attributes, revocation delays, expired credentials, and unavailable policy or key services.
• Assess bandwidth, latency, and network availability impacts on apps and services.
• Develop architecture docs, analyses, and implementation roadmaps.
• Explain tradeoffs and residual risks to decision-makers and engineering teams.
• Experience across mission, cybersecurity, infrastructure, and app development stakeholders.
• Deploy localized PEPs and PDPs on edge compute devices.

Responsibilities

• Develop DDIL strategies and implementation roadmaps for mission apps and security services.
• Collaborate with mission owners to define operational scenarios and constraints.
• Translate scenarios into requirements for autonomy, bandwidth, latency, and recovery.
• Define which capabilities must remain available without enterprise reachback.
• Architect local identity services and caching of security attributes.
• Plan for cached attribute freshness, credential expiry, revocation, and offline policy updates.
• Evaluate access control tradeoffs and offline operation safeguards.
• Design synchronization and reconnection approaches for data consistency on reconnection.
• Define dependencies among apps, identity providers, policy services, and key management.
• Produce architecture diagrams, interface specs, and risk assessments.
• Support governance docs for caching and use of identity attributes.
• Guide prototypes and demonstrations under impaired network conditions.
• Define measurable criteria for continuity and security during outages.

Skills

DDIL expertise

Distributed systems

Identity management

Data protection

Policy enforcement

Edge compute

HWIL testing

Security architecture

Threat modeling

DoD TS/SCI awareness

Education

Bachelor's or Master's degree

Tools

AWS

Kubernetes

OpenShift

Job description

Sapient Logic seeks a DDIL Subject Matter Expert (Infrastructure Engineer/Architect) to guide architecture for secure mission services operating in disconnected environments. The role focuses on local identity and data protection, cache strategies, and resilient synchronization with enterprise services.

The engineer defines operational scenarios, develops implementation roadmaps, and ensures adherence to security controls and performance criteria across edge and on-site deployments in