Software Engineer – Software Infrastructure, Cybersecurity

CX2

. Design, harden, and defend containerized application infrastructure across small form factor edge compute and cloud environments .

Posted 9/30/2026full-timeRemote • California • United StatesSeniorLead💰 $175,000 - $205,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in building and securing containerized application infrastructure, with a strong foundation in cybersecurity practices such as threat modeling and vulnerability management. Proficient in managing secrets and implementing security controls to meet DoD and Intelligence Community standards.

Highest-signal resume keywords

Containerization TechnologiesCybersecurity PracticesProvisioning and Configuration ManagementSecrets ManagementLinux Administration and Security

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Threat ModelingVulnerability ManagementIncident ResponseDockerDocker ComposeAnsibleTerraformLinux AdministrationSELinuxDisk Encryption

Soft Skills

LeadershipCollaborationProblem-Solving

Tools & Technologies

HashiCorp VaultAWS KMSOpenTofuChefPuppetSaltStack

Certifications & Qualifications

Bachelor’s Degree in Computer ScienceITAR Eligibility

Industry Keywords

CybersecurityEdge ComputingCloud EnvironmentsDoD StandardsIntelligence Community

Tech Stack

Tools & technologies

AnsibleAWSChefCloudCyber SecurityDockerFirewallsLinuxPuppetSaltStackTerraformVault

About the role

Key responsibilities & impact

Design, harden, and defend containerized application infrastructure across small form factor edge compute and cloud environments
Lead threat modeling, vulnerability management, and security reviews
Evaluate and adopt tools that maximize system security and reliability while protecting developer velocity
Build and maintain automated, reproducible provisioning and installation frameworks that take hardware and cloud hosts from bare metal to a hardened, mission-ready baseline
Support provisioning in air-gapped and disconnected environments
Own the lifecycle of secrets, keys, and certificates, including issuance, distribution, rotation, and revocation
Optimize resource usage and harden systems against denied or degraded network conditions
Implement and document security controls to meet United States DoD and Intelligence Community software accreditation and certification standards
Shape CX2’s security architecture and strengthen engineering culture
Help deliver electromagnetic warfare capabilities

Requirements

What you’ll need

Minimum of 8-10 years of experience building, securing, and operating software infrastructure at the edge, on premises, or in the cloud
Strong foundation in cybersecurity, including system and network hardening, threat modeling, vulnerability management, and incident response
Deep understanding of containerization technologies, with a focus on Docker and Docker Compose, including image building and hardening, container networking and storage, runtime isolation, and securing images and registries
Hands-on experience with provisioning and configuration management frameworks such as Ansible, Chef, Puppet, and SaltStack
Experience with Infrastructure-as-Code tools such as Terraform and OpenTofu
Experience with secrets management and PKI, including HashiCorp Vault, OpenBao, AWS KMS, SOPS, TPM or HSM backed keys
Deep proficiency with Linux administration and security, including SELinux, AppArmor, firewalls, auditing, and disk encryption
Willing to work extended hours for mission critical deadlines
Bachelor’s degree in Computer Science, Computer Engineering, Cybersecurity, or a related technical field, or equivalent relevant experience
ITAR eligibility: must be a US Citizen, Green Card holder, or eligible to obtain required authorizations from the U.S. Department of State

Benefits

Comp & perks

Stock options
Health insurance
Vision insurance
Dental insurance
401K enrollment at 90 days
Unlimited PTO
Most Federal Holidays observed
High levels of responsibility and autonomy
Professional growth and development opportunities