Security Engineer

Slingshot Aerospace-posted 4 months ago

Full-time

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As Security Engineer you will design, integrate, and harden Slingshot’s software and infrastructure in classified government environments. You will deploy secure enclaves, enforce DevSecOps practices, and ensure systems are hardened, resilient, and compliant. This role is mission critical. If systems are not hardened and compliant, the SME cannot secure the ATO and mission progress halts. Success requires a hands on engineer who thrives in complexity, moves fast under pressure, and brings a mission first can do mindset to cleared programs.

Engineer hardened Linux based and containerized systems for air gapped and enclave deployments
Build and maintain secure CI/CD pipelines, enclave build processes, and hardened OS images
Perform secure code reviews, threat modeling, and integrate AppSec scanning including SAST, DAST, IaC, and SBOM validation
Deploy hybrid and on prem IAM solutions including RBAC, MFA, PAM, and directory services for classified enclaves
Apply CIA triad principles to strengthen system security and reliability
Execute vulnerability management, CVE remediation, and produce Software Assurance Reports
Draft system architecture and boundary diagrams supporting ATO and audit packages
Apply DISA STIGs, CIS Benchmarks, and DoD hardening standards to enclave deployments
Work with primes, subcontractors, and government ISSMs to ensure systems are hardened and auditable
Automate compliance enforcement to reduce manual overhead in secure builds
Support incident detection and response in classified environments

Active TS/SCI clearance (polygraph if applicable)
U.S. Citizenship (no duals)
7 plus years in security engineering or systems engineering for cleared government programs
Direct experience in enclave or air gapped deployments supporting ATO accreditation
Strong coding and scripting ability including Python, Go, Bash, YAML
Knowledge of NIST 800 171, CMMC 2.0, DoD RMF, FedRAMP, and CNSSI 1253
Experience implementing DISA STIGs, CIS Benchmarks, and enclave hardening standards
Certifications such as CISSP, Security+, and OSCP or equivalent

10 plus years of experience in security engineering or systems engineering supporting cleared DoD or IC programs
Direct experience implementing and validating DISA STIGs, CIS Benchmarks, and DoD Secure Configuration Guidance in classified environments
Hands on experience with cross domain solutions and enclave to enclave data flow protections
Expertise integrating DevSecOps practices in air gapped CI/CD pipelines with automated compliance checks
Experience deploying and securing AI and ML workloads in classified settings including GPU isolation, model artifact protection, and sensitive data boundary enforcement
Familiarity with advanced FedRAMP and DoD approved stacks including M365 GCC High, Okta FedRAMP, CrowdStrike GovCloud, and Zscaler for Government
Deep knowledge of cryptography, PKI, key management, enclave networking, and secure hybrid cloud integration
Experience drafting technical documentation and presenting to customer design reviews, TRBs, and accreditation boards
Container and Kubernetes security experience including hardened builds and cluster defense in classified environments
Infrastructure as Code (IaC) security expertise with Terraform, Ansible, or similar tooling
Reverse engineering and exploit mitigation skills in enclave settings
Cross platform expertise across Linux, Windows, and hybrid operating systems in air gapped environments
Network segmentation and microsegmentation design for high side environments
Zero Trust architecture implementation in hybrid and enclave deployments
Red team and penetration testing support to validate enclave hardening
Experience supporting IT and cyber operations inside SCIFs or other secure facilities
Advanced certifications strongly preferred including OSCE, CISSP ISSEP, GIAC GSE, or equivalent

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