Note: The job is a remote job and is open to candidates in USA. By Light Professional IT Services LLC is a company that supports defense, civilian, and commercial IT customers worldwide. They are seeking a highly qualified Senior Cloud Infrastructure Engineer to lead the implementation, security, and operations of mission-critical cloud environments that power DoD cyber training capabilities and applications.
Responsibilities
- Support the design and maintain landing zones using cloud applications such as AWS Organizations, Control Tower, SCP guardrails, Identity and Access Management (IAM) multi-account patterns, and VPC architectures (Transit Gateway, PrivateLink, NAT, IGW) for enclave isolation and cross-domain needs
- Engineer high-availability, multi-Region solutions leveraging cloud tools such as EC2, EKS/ECS Fargate, RDS/Aurora, DynamoDB, S3/EFS/FSx, Load Balancers, Route 53, and API Gateway
- Implement Zero Trust-aligned patterns (micro-segmentation, strong identity, continuous verification) consistent with DoD Zero Trust guidance
- Implement security controls and evidence generation for RMF ATO packages (SSP, SAR, POA&M) in coordination with cybersecurity teams
- Apply DISA STIGs (OS, DB, Kubernetes, Container) and SRG requirements for workloads at IL2–IL6
- Tailor and automate STIG application using IaC and configuration management
- Integrate encryption and key management with cloud tools such as AWS KMS/HSM; enforce IAM least privilege, SCPs, permission boundaries, ABAC, and robust secrets management
- Implement cloud logging and metrics tools such as CloudTrail/CloudWatch/GuardDuty/Config for comprehensive audit and detection
- Align architectures with FedRAMP Moderate/High baselines when required and ensure boundary compliance for controlled workloads
- Develop secure connectivity (AWS Direct Connect/VPN), hybrid routing, and segmentation; implement TLS mutual auth, certificate management, and private service endpoints
- Design logging and telemetry pipelines (CloudWatch, OpenTelemetry, Kinesis, S3, SIEM integration such as Splunk/ELK) with retention, metadata/tagging, and data lifecycle policies
- Own SLOs/SLAs for platform services
- Implement autoscaling, health checks, and proactive capacity management
- Lead cost management and alerting practices of cloud environments in coordination with project leads
- Provide Tier 3 support, on-call rotations during exercises, and incident response coordination with cybersecurity and training operations
- Collaborate with agile teams and product owners to translate training requirements into platform capabilities
- Provide mentorship for junior engineers
- Establish standards, design reviews, and repeatable processes
- Present cloud solutions to project leadership and accreditation authorities
Skills
- Bachelor's degree in a related technical discipline such as computer science or information technology from an accredited college or university
- 8–12+ years of experience in cloud/platform engineering with at least 5 years focused on Amazon Web Services (AWS) with a demonstrated leadership delivering secure, scalable, production-grade cloud-based systems
- DoD 8570/8140 compliance: IAT II (Security+) required; IAT III/CISSP or CASP+ preferred
- Infrastructure-as-code mastery (Terraform and/or CloudFormation), pipelines (GitLab/Jenkins), and configuration management (Ansible/Chef)
- Deep AWS tool expertise: Organizations/Control Tower, IAM, Bedrock, KMS/HSM, VPC/Transit Gateway, Direct Connect/VPN, EC2/EKS/ECS, RDS/Aurora, DynamoDB, S3/EFS/FSx, ELB/API Gateway/Lambda, CloudTrail/CloudWatch/Config/GuardDuty, Route 53, EventBridge/SQS/SNS
- Understanding of RMF accreditation (SSP, POA&M, Continuous Monitoring) and control implementation under NIST SP 800-53 Rev. 5
- Hands-on application of DISA STIGs and DoD Cloud Computing SRG for IL2–IL6 workloads
- Strong understanding of GovCloud (US) patterns and boundary controls
- Strong knowledge of networking fundamentals: TCP/IP, DNS, TLS/PKI, routing, micro-segmentation, Zero Trust patterns
- Logging/monitoring design and SIEM integration
- Incident response and troubleshooting across app, infra, and network layers
- Excellent communication, documentation, stakeholder engagement skills, and the ability to lead cross-functional initiatives
- Active DoD Secret clearance preferred; If not already cleared, candidate will be required to obtain and maintain a Top Secret/SCI clearance as a condition of employment
- AWS Certifications: Certified Solutions Architect – Professional, Security – Specialty, and/or DevOps Engineer – Professional
- Kubernetes certifications: CKA/CKS
- Experience with HashiCorp Vault, Service Mesh (Istio), policy-as-code (OPA), and zero trust implementations in government environments
Benefits
- Medical, Dental & Vision Coverage
- Wellness Program
- 401(k) Matching
- Disability (Short Term & Long Term)
- Employee Assistance Program
- Life Insurance
- Education & Training
- Generous Leave Policy (11 Federal Holidays, PTO, Military Leave, Bereavement and Jury Duty)
Company Overview