Senior Cloud Engineer — AWS for TS/SCI Classified Cloud

Markon Solutions; McLean (VA); On-site; USD 180,000 - 215,000; Full time

Job summary

Markon Solutions seeks a Senior Cloud Systems Engineer to design, secure, integrate, and optimize mission-critical cloud infrastructure in classified environments. You will blend systems engineering with hands-on AWS administration, security engineering, automation, and virtualization to meet Sponsor requirements.

Responsibilities include end-to-end system integration, documentation, and cross-functional collaboration while applying Agile practices.

Qualifications

• Active TS/SCI clearance with Full Scope Polygraph required.
• Bachelor's degree and 8+ years of relevant experience; or Master's 6+; or PhD 3+ with Sponsor experience.
• Proven AWS cloud administration in classified environments.
• Hands-on experience with AWS services (S3, EC2, ELB, ECR, VPC, Auto Scaling, Lambda, MSK, SageMaker, KMS) and Docker/Kafka.
• Experience implementing cloud security controls (RBAC, ABAC, ACLs).
• Strong Unix/Linux proficiency; coding in Python, Java, TypeScript.
• Excellent communication with technical and non-technical stakeholders.

Responsibilities

• Design, implement, maintain, and optimize secure cloud infrastructure and enterprise systems supporting mission-critical operations.
• Identify and assess technical risks, vulnerabilities, and single points of failure; recommend mitigations.
• Conduct feasibility studies, vulnerability assessments, and gap analyses for capabilities.
• Evaluate COTS and emerging tech to support operational requirements.
• Assess solutions against requirements, security controls, and objectives.
• Lead end-to-end system integration, testing, and validation for performance and reliability.
• Develop system architecture diagrams, docs, flowcharts, and standards for troubleshooting.
• Translate business requirements into secure, scalable technical solutions.
• Configure and maintain AWS cloud services within classified environments.
• Implement cloud security controls and MFA/OAuth-based authentication.
• Develop automation scripts using Python, Java, TypeScript; collaborate in Agile teams.

Skills

AWS Cloud

S3 & EC2

Docker

Kafka

Python

Java

TypeScript

Unix/Linux

Cloud Security

RBAC ABAC

Education

Bachelor's degree

Tools

Terraform

Neo4j / Cypher

Job description

Markon Solutions seeks a Senior Cloud Systems Engineer to design, secure, integrate, and optimize mission-critical cloud infrastructure in classified environments. You will blend systems engineering with hands-on AWS administration, security engineering, automation, and virtualization to meet Sponsor requirements.

Responsibilities include end-to-end system integration, documentation, and cross-functional collaboration while applying Agile practices.