[Remote] Sr. Platform Engineer II

Note: The job is a remote job and is open to candidates in USA. Smarsh empowers its customers to manage risk and unleash intelligence in their digital communications. They are seeking a Senior Platform Engineer with expertise in AWS cloud networking to design, automate, and operate secure, scalable network infrastructure while supporting FedRAMP compliance requirements.ResponsibilitiesDesign and implement secure, scalable AWS network architecturesArchitect hybrid cloud connectivity solutions between on-premises and AWSDesign high-availability and disaster recovery network architecturesDefine multi-tenant isolation, routing boundaries, and segmentation strategiesCreate and maintain network and architecture diagramsDevelop and maintain Terraform-based infrastructure for AWS networking resourcesOrchestrate and automate end-to-end infrastructure provisioning across multiple environmentsDesign and maintain reusable, environment-aware Terraform modulesImplement promotion workflows for infrastructure changes across environmentsEnsure consistency, traceability, and auditability of infrastructure changesIdentify and remediate configuration drift across environmentsSupport network designs aligned with FedRAMP and NIST 800-53 requirementsImplement and review network security controls including NACLs and Security GroupsPartner with Security and GRC teams to support audits and compliance activitiesAssist in investigating and resolving security incidents involving network systemsMaintain documentation required for regulated environmentsOptimize AWS network performance, resiliency, and availabilityDesign and implement network monitoring and alerting using DataDog, Prometheus, and AWS-native toolsParticipate in troubleshooting and root cause analysis of complex network issuesParticipate in on-call rotation and operational supportAct as a networking subject matter expert across Platform and Infrastructure teamsContribute to architecture reviews, standards, and best practicesMentor junior engineers and provide technical guidanceMaintain runbooks, SOPs, and operational documentationSkillsBachelor's or Master's degree in Computer Science, Engineering, or related field (or equivalent experience)8+ years of experience in cloud or platform engineering, with a strong focus on AWS networkingKnowledge of supporting FedRAMP-compliant environments, including familiarity with compliance controls, audit processes, and security documentationAdvanced understanding of AWS networking services (VPCs, subnets, routing, Transit Gateway, Route 53, Direct Connect, VPNs)Extensive experience with Terraform and Infrastructure as CodeProven experience orchestrating and automating infrastructure provisioning across multiple environments (dev, staging, production)Experience integrating infrastructure provisioning into CI/CD pipelinesProficiency in Python, Go, or JavaStrong Linux and networking fundamentalsExcellent system design, troubleshooting, and problem-solving skillsHands-on experience operating or delivering FedRAMP Moderate or High environmentsAWS Advanced Networking – Specialty certificationExperience with Kubernetes and service mesh networking (Istio, Envoy)Familiarity with zero-trust networking modelsExperience supporting multi-account AWS organizations or hybrid-cloud environmentsBenefitsHealthcare insurance: We provide medical, dental, and vision insurance, and a flexible spending account that allows you to set aside pre-tax dollars to pay for eligible out-of-pocket expenses.Stock options.Personal time off: A healthy work-life balance is critical to your success at the office. Smarsh offers a “take-what-you-need” time off policy as well as flexible work arrangements.401K Match: Smarsh provides a 4% 401K match for which employees are fully vested on day one.Sabbatical: The Smarsh sabbatical programme provides a time to recharge, study or simply do something you are passionate about away from the workplace. Employees are eligible after six years of service.Recognition: We’re big on kudos for a job well done. Our employee-recognition programme enables co-workers to nominate their peers who best embody our core values for recognition.Company OverviewSmarsh manage the risk and see the value in their communications data. It was founded in 2001, and is headquartered in Portland, Oregon, USA, with a workforce of 1001-5000 employees. Its website is http://www.smarsh.com.Company H1B SponsorshipSmarsh has a track record of offering H1B sponsorships, with 16 in 2025, 5 in 2024, 12 in 2023, 22 in 2022, 2 in 2021, 1 in 2020. Please note that this does not guarantee sponsorship for this specific role.