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Kalyan - Network Engineer

[email protected]

Location: Branford, Connecticut, USA

Relocation: Yes

Visa: GC

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Kalyan R Email: [email protected] | Contact: 203 518 4097 Senior Network Engineer PROFESSINAL SUMMARY Experienced Network Engineer with 8+ years of expertise in OCI Regional Network Deployment and Scaling, greenfield deployments, and brownfield expansions. Strong background in Routing & Switching, including BGP, OSPF, VXLAN, TCP/IP, IPv4, IPv6, IPSEC, VPN, SSL, DNS, and DHCP. Hands-on experience deploying and managing data center fabrics, edge, backbone, and metro fiber networks across multiple regions. Skilled in greenfield network infrastructure deployments, enabling connectivity for new OCI regions and child sites. Proficient in brownfield scaling, including CFAB rack additions, compute expansions, server rack adds, and decommissions. Expertise in multi-cloud integrations, DRCC/Alloy expansions, and Butterfly turn-ups for enterprise-grade networks. Experienced in operating within a CI/CD pipeline environment, leveraging GitHub and OCI internal tools for automated deployments. Strong scripting and automation skills in Python, reducing manual deployment effort and increasing operational efficiency. Hands-on experience with network hardware, including Arista, Cisco, and other enterprise-grade switches and routers. Skilled in executing Jira ticket assignments related to network infrastructure and scaling projects. Expertise in building runbooks, documentation, and knowledge transfer sessions for new deployments and scaling events. Strong ability to manage 24x7 operations, weekend support, and on-call responsibilities in follow-the-sun environments. Experienced in validating automation scripts, network configurations, and deployment artifacts prior to production rollout. Proficient in monitoring and maintaining regional network connectivity, ensuring high availability and low-latency performance. Adept at troubleshooting complex network scenarios, including connectivity issues, protocol misconfigurations, and routing anomalies. Strong collaboration skills, working with cross-functional teams for network deployment, multi-cloud integration, and capacity planning. Skilled in capacity planning, server provisioning, and rack deployment tracking, ensuring alignment with project timelines. Experienced in implementing network security measures, including VPNs, SSL, firewalls, and secure multi-cloud integrations. Committed to continuous improvement through automation, scripting, and process optimization, reducing deployment time and human error. Energetic and results-oriented professional, capable of delivering complex OCI network deployments on schedule while maintaining operational excellence. TECHNICAL SKILLS Advanced expertise in OCI Regional Network Deployment and Scaling (RNDS) for greenfield and brownfield environments. Hands-on experience with Routing & Switching protocols, including BGP, OSPF, VXLAN, TCP/IP, IPv4, IPv6. Skilled in data center fabric design and implementation, edge, backbone, and metro fiber networks. Proficient in greenfield network deployments, enabling connectivity for new OCI regions and child sites. Expertise in brownfield scaling, including CFAB rack adds, compute expansions, server rack provisioning, and decommissioning. Experience in multi-cloud network integration, connecting OCI regions with AWS, Azure, and GCP infrastructures. Hands-on knowledge of CI/CD pipelines using GitHub and internal OCI tools for automated network deployments. Strong Python scripting and automation skills to reduce manual deployment effort and enhance network efficiency. Expertise in configuring VPN, IPSEC, SSL, DNS, and DHCP for secure, reliable network communication. Skilled in network hardware management including Arista and Cisco switches, routers, and firewalls. Experience with ticketing systems (Jira) for tracking network deployment, server adds, and decommissioning tasks. Proficient in capacity planning and resource allocation, ensuring network readiness for scaling events. Skilled in troubleshooting complex network issues, performing scenario-based problem solving during live operations. Expertise in runbook development and documentation, ensuring knowledge transfer and operational consistency. Experienced in executing region builds, DRCC/Alloy expansions, and Butterfly turn-ups for enterprise OCI networks. Hands-on knowledge of network monitoring, validation, and artifact verification for operational readiness. Strong ability to support 24x7 operations, on-call rotation, and weekend deployments in a follow-the-sun model. Experienced in server provisioning and rack management, processing high-volume server adds and rack decom tasks. Skilled in performance optimization, fault tolerance, and disaster recovery network planning. Committed to continuous improvement through automation, process optimization, and scalable network deployment strategies. PROFESSIONAL EXPERIENCE Position: Senior Network Engineer MAY2023-CURRENT Client: State Of Rhode Island Location: Providence RI Project Name: Greenfield OCI Region Deployment Project Description: Responsible for deploying greenfield OCI network infrastructure to enable connectivity for new OCI regions and child sites. Focused on designing, implementing, and automating network deployment using enterprise-grade routing/switching protocols and hardware while ensuring high availability, scalability, and operational readiness Key Responsibilities: Deployed greenfield OCI regional networks from scratch, building secure and high-performance connectivity for new data centers and child sites while coordinating with cross-functional teams for seamless rollout. Designed, configured, and optimized BGP and OSPF routing protocols across backbone, edge, and metro fiber networks to ensure stable and scalable network communication. Implemented VXLAN overlays and TCP/IP networking to support multi-tenant environments, enabling flexible and efficient traffic segmentation and routing within new OCI regions. Configured IPv4/IPv6 addressing schemes, DNS, DHCP, VPN, and IPSEC tunnels for enterprise connectivity, ensuring compliance with OCI network architecture standards. Built and managed data center fabrics including spine-leaf architectures, edge switches, and backbone connectivity, ensuring high availability and minimal downtime. Developed automation scripts in Python to accelerate network deployment, validate configurations, and reduce manual errors across multiple greenfield sites. Integrated network configurations with CI/CD pipelines using GitHub to enable repeatable, automated deployment of network infrastructure for new OCI regions. Managed rack provisioning, server installations, and CFAB additions, coordinating with hardware teams to ensure all equipment was installed and operational on schedule. Created and maintained detailed runbooks, process documentation, and configuration guides to facilitate operational support and knowledge transfer to OCI staff. Conducted end-to-end network validation, including connectivity, redundancy, latency, and failover testing to guarantee optimal performance of greenfield deployments. Troubleshot complex scenario-based network issues, resolving protocol misconfigurations, connectivity gaps, and hardware errors during initial deployment phases. Coordinated with OCI internal teams and stakeholders to align deployment timelines, milestone tracking, and deliverable expectations for all greenfield projects. Delivered weekly deployment reports highlighting progress, completed artifacts, and identified risks, ensuring visibility for regional and project leadership. Executed DRCC/Alloy expansions and Butterfly turn-ups, ensuring new deployments integrated seamlessly with existing OCI network infrastructure. Provided training and knowledge transfer sessions for internal OCI staff on network design, deployment procedures, and operational best practices. Monitored network traffic, redundancy, and performance metrics post-deployment to validate design effectiveness and identify optimization opportunities. Ensured compliance with security standards, configuring VPNs, firewalls, and access controls to protect enterprise network traffic. Validated and tested automation scripts and deployment artifacts, ensuring successful execution across multiple new regions without human intervention. Collaborated with multi-disciplinary teams, including hardware, software, and cloud operations, to deliver end-to-end greenfield network deployment solutions. Actively participated in post-deployment reviews, recommending improvements for future deployments and enhancing automation, process efficiency, and operational readiness. Role: Network Engineer SEP2021-APR2023 Client: Cigna Location: Bloomfield CT Project Name: Brownfield Scaling & Multi-Cloud Integration Project Description: Focused on scaling existing OCI networks, supporting CFAB rack additions, server provisioning, decommissioning, and multi-cloud integration. Leveraged automation, CI/CD pipelines, and operational best practices to ensure seamless scaling and high availability of enterprise networks. Key Responsibilities & Achievements: Supported brownfield network scaling, adding new racks, expanding compute, and provisioning servers across OCI regions while coordinating closely with operations and hardware teams. Executed server decommissions and rack decom assignments, ensuring proper removal of obsolete hardware while maintaining network integrity and availability. Designed and implemented multi-cloud integration strategies, connecting OCI networks to AWS, Azure, and GCP infrastructures, ensuring secure, reliable, and high-performance connectivity. Configured and maintained routing protocols (BGP, OSPF, VXLAN, TCP/IP, IPv4, IPv6) for backbone and edge networks to support scaling operations and multi-site connectivity. Developed Python automation scripts to accelerate network scaling tasks, including server adds, rack provisioning, and configuration validation across multiple sites. Leveraged CI/CD deployment pipelines using GitHub and OCI internal tools to standardize scaling deployments and reduce manual intervention errors. Monitored and validated network performance metrics, traffic patterns, and redundancy, ensuring scalability did not impact operational performance. Managed high-volume Jira ticket assignments related to rack additions, server provisioning, and network artifacts, ensuring all tasks were completed within SLAs. Built and maintained detailed runbooks, documentation, and knowledge transfer materials for all brownfield scaling and multi-cloud integration activities. Executed DRCC/Alloy expansions and Butterfly turn-ups during scaling events, ensuring smooth integration with existing infrastructure. Conducted scenario-based troubleshooting, resolving connectivity, protocol, and configuration issues across expanded network segments. Collaborated with cross-functional teams to align scaling activities with OCI regional priorities, release schedules, and operational requirements. Performed capacity planning, ensuring racks, servers, and network devices were deployed to meet current and projected demand. Validated automation scripts, deployment artifacts, and configuration changes before production rollout to maintain operational reliability. Provided 24x7 support for scaling operations, including weekend and on-call rotations to ensure uninterrupted network functionality. Delivered weekly reports and dashboards tracking completed server adds, rack decom, scaling milestones, and automation validation results. Ensured network security and compliance, configuring VPNs, SSL, and firewall rules during scaling and multi-cloud integration activities. Assisted in post-scaling validation and optimization, identifying potential bottlenecks and implementing improvements for enhanced network performance. Conducted knowledge transfer sessions for OCI staff, documenting processes, automation scripts, and operational best practices. Recommended process improvements and automation enhancements to increase efficiency, reduce deployment time, and improve overall network scalability for future projects. Role: Cyber security Analyst MAY2018-AUG2021 Client: Privia Health Group Location: Arlington VA Project Name: Secure Electronic Health Records Access Control &HIPAA Compliance. Project Description: This project focused on strengthening the cybersecurity framework for Privia Health Group by implementing comprehensive access control mechanisms, enforcing HIPAA compliance, and safeguarding Electronic Health Records (EHR). The initiative included the design and deployment of Role-Based Access Control (RBAC), integration of Multi-Factor Authentication (MFA), continuous auditing, and risk management measures to ensure that Protected Health Information (PHI) remained secure against internal and external threats. Project Responsibilities: Designed and implemented a Role-Based Access Control (RBAC) model in the simulated hospital environment, ensuring that only authorized doctors, nurses, and administrative personnel could access specific EHR modules based on their job responsibilities, thereby minimizing the risk of data breaches. Integrated Multi-Factor Authentication (MFA) with Active Directory, enhancing login security by requiring multiple verification methods for all hospital staff and ensuring secure access to critical patient information in compliance with HIPAA standards. Configured comprehensive audit logging and monitoring systems to track every access attempt, modification, and deletion of PHI, enabling proactive detection of unauthorized activities and ensuring accountability of all EHR users. Conducted rigorous privilege escalation and penetration testing to validate system security, ensuring proper segregation of duties and confirming that no single user could bypass controls to access sensitive patient data without authorization. Verified adherence to HIPAA technical safeguards, including enforcement of unique user IDs for each employee, automatic session logoff after periods of inactivity, and end-to-end encryption for data in transit, effectively reducing the risk of PHI exposure. Developed and maintained structured workflows for account provisioning and de-provisioning, ensuring that newly onboarded staff received timely access while terminated personnel had their access revoked immediately to prevent unauthorized entry. Coordinated with IT and HR teams to promptly deactivate user accounts of employees who left the organization or changed roles, minimizing the potential for insider threats and ensuring ongoing compliance with regulatory requirements. Documented the complete security configuration and policies in a comprehensive HIPAA compliance report, including detailed descriptions of access control measures, audit logs, encryption standards, and risk mitigation strategies. Performed detailed risk assessments and vulnerability analyses, identifying potential security gaps in the EHR system and providing actionable recommendations to senior management for remediation and continuous improvement of the cybersecurity posture. Prepared and delivered executive-level presentations and stakeholder briefings on system security, HIPAA compliance, and patient data protection measures, ensuring alignment between IT security initiatives and organizational governance requirements. Collaborated with IT teams to implement data encryption protocols for PHI, both at rest and in transit, thereby safeguarding sensitive patient information from unauthorized interception or tampering. Configured real-time system alerts to notify security teams of suspicious login attempts, unusual access patterns, or potential breach activity, enabling rapid response to any potential threats. Developed and enforced strict user authentication and password policies, ensuring that all hospital staff adhered to best practices for secure access to EHR systems. Created security Standard Operating Procedures (SOPs) and documentation for hospital staff, providing clear guidance on access control, PHI handling, and reporting suspicious activity to maintain regulatory compliance. Partnered with compliance teams to ensure that all HIPAA-related policies and procedures were up to date and aligned with changing regulatory requirements, maintaining full legal compliance for all EHR operations. Conducted regular audits and performance reviews of the access control system to verify the effectiveness of implemented security measures and identify areas for enhancement. Provided training sessions and awareness programs to educate hospital staff on best practices for safeguarding PHI, reducing human error, and promoting a culture of cybersecurity awareness across the organization. Strengthened the EHR system s resilience against internal and external threats, including malware attacks, phishing attempts, and unauthorized access attempts, contributing to the overall security and reliability of patient data. Maintained detailed audit trails and security documentation to support internal reviews, regulatory inspections, and external audits, ensuring the organization s readiness for compliance verification at all times. Successfully contributed to a measurable reduction in security incidents and unauthorized access attempts, enhancing patient trust and reinforcing the organization s commitment to protecting sensitive health information. Role: Junior Security Analyst AUG2017-APR2018 Client: Nuwellis Health Group Eden Prairie, MN Project Name: Healthcare Network Traffic Monitoring & Threat Detection Project Description: This project focused on establishing a comprehensive network traffic monitoring and threat detection system for a simulated hospital environment to protect Electronic Health Records (EHR) and other sensitive healthcare data. The project leveraged tools like Wireshark and Snort IDS to capture, analyze, and monitor network traffic in real time, detect anomalies, and identify potential security threats. The initiative ensured alignment with HIPAA security requirements, performed risk assessments for common cyber threats, and implemented recommendations to strengthen network security posture and safeguard Protected Health Information (PHI). Key Responsibilities & Achievements: Configured Wireshark and Snort IDS within a lab-simulated hospital network to capture and monitor real-time traffic, ensuring visibility into all communication channels carrying sensitive patient information. Collected, filtered, and analyzed network packets to identify abnormal activities such as port scans, ARP spoofing, failed login attempts, and other indicators of potential cyber threats to hospital systems. Developed and implemented custom Snort alert rules to detect suspicious network patterns, including repeated login failures, SQL injection attempts, and anomalous network flows indicative of potential attacks. Designed and executed a structured log review process, enabling the IT/security team to track unauthorized access attempts to EHR systems and maintain detailed audit trails for regulatory compliance. Documented all security observations and analysis results in a comprehensive threat detection report, providing clear remediation recommendations to reduce exposure to potential network threats. Ensured that the network monitoring and threat detection setup fully aligned with HIPAA technical safeguards, protecting the confidentiality, integrity, and availability of PHI in all monitored systems. Presented findings and recommended improvements to the IT/security team, including network segmentation, strong password policies, and endpoint security measures, to reduce attack surfaces and enhance overall security posture. Performed baseline traffic analysis to establish patterns of normal hospital network activity, enabling the rapid detection of anomalous behavior that could indicate compromise or insider threats. Configured automatic log forwarding from endpoints and critical servers to a centralized logging system, streamlining monitoring and incident review processes. Created a daily incident summary report highlighting alerts, false positives, confirmed threats, and ongoing investigations to maintain situational awareness for the IT/security team. Tested encryption in transit (HTTPS, TLS) for all internal and external communications to verify that sensitive patient data was never transmitted in plain text, ensuring compliance with HIPAA encryption standards. Conducted a risk assessment for common cyber threats such as ransomware, phishing campaigns, brute-force attacks, and insider threats, mapping each to potential impacts on healthcare operations and patient data security. Collaborated with simulated IT staff and lab teammates to demonstrate and refine incident escalation procedures, ensuring proper response workflows during security events. Implemented network segmentation strategies in the lab to isolate critical EHR servers from general hospital network traffic, reducing lateral movement risk in case of compromise. Configured real-time alerting mechanisms to notify security teams of high-risk activities, ensuring rapid detection and response to potential breaches or policy violations. Developed and documented step-by-step procedures for traffic analysis, Snort configuration, and threat investigation, creating a knowledge base for junior analysts and new team members. Conducted periodic reviews of monitoring rules and detection thresholds to reduce false positives while maintaining high sensitivity to actual threats. Collaborated with cybersecurity team members to integrate monitoring insights into broader risk management and compliance frameworks, ensuring actionable intelligence for decision-making. Maintained detailed documentation of all configurations, alerts, and remediation actions to support internal audits, compliance checks, and regulatory reporting. Contributed to strengthening the hospital s cybersecurity posture by reducing network-based vulnerabilities and increasing detection capabilities for potential intrusions, thereby safeguarding patient data and maintaining regulatory compliance. Education Qualification Details: Master's Degree: Sacred Heart University/2017 CT, United states of America Major: Cyber computer Forensics Bachelors: TKR college of engineering and Technology/2016 Hyderabad, India Major: Electrical and Electronics. Keywords: continuous integration continuous deployment rlang information technology Connecticut Delaware Minnesota Rhode Island Virginia