Sr. Platform Engineer II

Job Description Who are we?Please read the following job description thoroughly to ensure you are the right fit for this role before applying.Smarsh empowers its customers to manage risk and unleash intelligence in their digital communications. Our growing community of over 6500 organizations in regulated industries counts on Smarsh every day to help them spot compliance, legal or reputational risks in 80+ communication channels before those risks become regulatory fines or headlines. Relentless innovation has fueled our journey to consistent leadership recognition from analysts like Gartner and Forrester, and our sustained, aggressive growth has landed Smarsh in the annual Inc. 5000 list of fastest-growing American companies since 2008.We are seeking a Senior Platform Engineer (IC4) with strong expertise in AWS cloud networking, hybrid connectivity, and regulated cloud environments. This role focuses on designing, automating, and operating secure, scalable network infrastructure across multiple AWS environments while supporting FedRAMP compliance requirements.You will partner with Platform, Security, and CI/CD teams to deliver highly available, auditable, and automated cloud networking solutions.How will you contribute?You’ll help build and secure cloud infrastructure in highly regulated environments, working on mission-critical platforms with a strong focus on automation, reliability, and security.What will you bring?Network Architecture & Cloud DesignDesign 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 diagramsInfrastructure Automation & OrchestrationDevelop 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 environmentsSecurity, Compliance & FedRAMP SupportSupport 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 environmentsPerformance, Monitoring & ReliabilityOptimize 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 supportCollaboration & Technical LeadershipAct 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 documentationPreferred QualificationsHands-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 environmentsRequired QualificationsBachelor’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 skillsWhat do we offer?Healthcare 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.The above salary range represents Smarsh's good faith and reasonable estimate of the range of possible base compensation at the time of posting. Any applicable bonus programs will be discussed during the recruiting process. The salary for this role will be set based on a variety of factors, including but not limited to, internal equity, experience, education, location, specialty and training. Local cost of living assessments are done for each new hire at the time of offer. Don't meet every requirement? Apply anyway! We value diverse candidates and encourage applications, even if you don't perfectly match the job description. Studies have shown that some strong candidates may self-select out of the interview process prematurely, at Smarsh we encourage an inclusive, high-performing environment. Smarsh is an equal opportunity and affirmative action employer. Qualified applicants will receive consideration without regard to their race, colour, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Smarsh invites all qualified interested applicants to apply for career opportunities. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions. Including frequency of functionsAbout our cultureSmarsh hires lifelong learners with a passion for innovating with purpose, humility and humor. Collaboration is at the heart of everything we do. We work closely with the most popular communications platforms and the world’s leading cloud infrastructure platforms. We use the latest in AI/ML technology to help our customers break new ground at scale. We are a global organization that values diversity, and we believe that providing opportunities for everyone to be their authentic self is key to our success. Smarsh leadership, culture, and commitment to developing our people have all garnered Best Places to Work Awards. xaygatp Come join us and find out what the best work of your career looks like.