Senior Mission Integration Software Engineer

AMERICAN SYSTEMS

. Design, develop, configure, test, and support software components, APIs, services, deployment packages, automation, and mission application interfaces .

Posted 9/16/2026full-timeArlington • Virginia • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in software engineering, application and systems integration, and API development, with a strong focus on DevSecOps practices and cloud-native engineering. Proficient in producing technical documentation and coordinating cross-functional teams to ensure compliance and operational readiness.

Highest-signal resume keywords

Active Top Secret Security ClearanceAPI DevelopmentDevSecOps PracticesCloud-Native EngineeringTechnical Documentation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringApplication IntegrationCI/CD PipelinesAutomated TestingConfiguration ManagementSecure File TransferContainerized WorkloadsMessage BrokersStreaming ServicesInterface Control

Soft Skills

Cross-Functional CommunicationCoordination Skills

Tools & Technologies

Cloud Hosting EnvironmentsIdentity IntegrationAttribute-Based Access ControlEncryptionPKISecrets ManagementLoggingMonitoring

Industry Keywords

Mission-Critical SystemsOperational ReadinessRequirements TraceabilityAuthorization Documentation

Tech Stack

Tools & technologies

CloudCyber Security

About the role

Key responsibilities & impact

Design, develop, configure, test, and support software components, APIs, services, deployment packages, automation, and mission application interfaces
Partner with software development IPTs, platform and compute teams, cloud architects, data teams, cybersecurity, network, enterprise services, operations, and Government stakeholders to onboard mission applications
Create repeatable integration patterns supporting DevSecOps alignment, application profiling, interface control, test evidence, monitoring integration, production handoff, and operational readiness
Translate application requirements into integration plans covering architecture, dependencies, runtime and compute needs, storage, networking, identity requirements, API specifications, and deployment approaches
Develop and maintain interface control documents, API specifications, schemas, message definitions, service dependency profiles, deployment manifests, test results, release notes, and operational runbook inputs
Build and support integration solutions using APIs, message brokers, streaming services, secure file transfer, containerized workloads, service endpoints, configuration management, and secrets management
Coordinate with cross-functional technical teams to meet architecture, access, encryption, logging, monitoring, authorization, and compliance requirements
Apply DevSecOps practices including backlog refinement, sprint planning, code reviews, CI/CD pipelines, automated testing, security scanning, release management, and change control
Support identity and access integration using attribute-based access control, policy enforcement points, service accounts, certificates, keys, secrets, and entitlement requirements
Evaluate integration performance and readiness through functionality, data movement, error handling, resilience, failover, logging, auditability, monitoring, and operational support testing
Resolve technical issues involving software defects, dependencies, deployment failures, interface errors, service availability, data flows, and production support incidents
Develop reusable software patterns, improve technical documentation, capture lessons learned, and contribute to continuous improvement

Requirements

What you’ll need

Active Top Secret security clearance with SCI eligibility
Bachelor’s degree in computer science, software engineering, information technology, engineering, or a related technical field
At least 11 years of relevant professional experience in software engineering, application and systems integration, API development, DevSecOps, cloud-native engineering, or mission systems development
Demonstrated experience building, configuring, or integrating APIs, services, adapters, applications, message-based and streaming interfaces, secure file transfer workflows, or containerized workloads
Proficiency with software development lifecycle and delivery practices, including CI/CD pipelines, automated testing, configuration and version control, change management, security scanning, and release processes
Ability to produce and maintain technical documentation, such as application architecture diagrams, API specifications, schemas, message definitions, deployment manifests, dependency profiles, test results, release notes, and operational runbook content
Working knowledge of cloud and hybrid hosting environments, identity integration, attribute-based access control concepts, encryption, PKI, certificates, secrets management, logging, monitoring, and audit requirements
Strong cross-functional communication and coordination skills across software, data, cloud, platform, network, cybersecurity, compliance, operations, mission, and Government teams
Background supporting secure or mission-critical systems, including requirements traceability, authorization documentation, operational readiness activities, and production support

Benefits

Comp & perks

100% employee-owned company
Secure cloud, platform, and enterprise environments
Opportunities to work with modern DevSecOps practices
Technical leadership opportunities
Employee ownership