Senior Linux System Engineer
Employment Type: Full-Time
Industry: Information Technology
Job Description - Senior Linux System Engineer The Senior Linux System Engineer (SE) is responsible for the design, implementation, engineering and administration of Linux computing systems hardware, software and storage infrastructure supporting a 24x7 mission-critical environment. These systems are core components of IT infrastructure supporting a large e-commerce website, plant operations, delivery logistics and general business services. The position provides senior-level system administration support for our E-Commerce & Logistics website and associated applications and systems. The preferred candidate is a self-starter and well-rounded professional with strong knowledge in systems, E-Commerce system administration, storage, security and networking. The candidate is passionate about technology and eager to work with team members in a fast-paced environment developing solutions supporting business objectives. Candidate will lead or support numerous exciting projects including support for a large-scale, multi-year program transforming IT infrastructure into a hybrid environment consisting of modern local servers and storage systems with physical servers and virtual server instances connected to storage area networks, cloud technology and hosted solutions. The position will support the buildout and transition to a new colocation data center using the latest Cisco networking and UCS server technologies, Client SAN solutions, Citrix NetScalers and other data center infrastructure technologies. Many of these projects will include disaster recovery and business continuity deliverables and general alignment with best practices. You relish the idea of : Architecting systems infrastructure solutions to deliver business applications and contenting to customers at low latency and high throughput Designing, implementing and supporting Linux computing systems hardware and software infrastructure using the following service models: on-premise, co-location data center facility, Application Service Provider (ASP), managed hosted, SaaS cloud, PaaS cloud, IaaS cloud and hybrid Providing system architecture, implementation, system administration, troubleshooting and operational supporting for an E-Commerce & Logistics website environment Proactively improving engineering, implementation and maintenance standards for systems supporting e-Commerce transactions, manufacturing operations and corporate processes Collaborating with peers to formalize systems engineering, application support and operation processes and procedures based on industry standards (ITL, ISO, COBIT) and best practices Investigating and resolving system performance bottlenecks and platform instability Providing continuous system and storage capacity management Managing system deployment lifecycle and helping enforce Change Management Policies Engineering and implementing fault tolerant, multi-site and distributed computing platform to support business growth Developing a framework to provide performance baseline and improvement for critical business applications Continuously studying the overall information and computing needs of the company and leverage technology to provide cost effective solutions Elaborating strategy to deliver business value by using evolving infrastructure technology: cloud technology (IaaS, SaaS, PaaS, and others), Managed Service Provider, hybrid, etc. Assisting in developing, implementing and enforcing systems security policies and procedures Collaborating with IT Security Team to implement and regularly test systems security controls Assisting with improving and enforcing incident management policies and procedures Assisting with managing system related compliance tasks (PCI) Providing third level escalation for operation problems and incidents Resolving issues within prescribed SLA's and adhering to incident management procedures Collaborating with peers on vendor and technology product selection process Performing Linux virtualization implementation, supporting and upgrades Working with application development team and internal clients on creating systems requirements, projection and growth Supporting enterprise data protection backup/recovery system Acting as engineering liaison between Systems, Application, DBA, QA, Network and other groups Monitoring technology changes, advancements trends and innovations Project managing change to systems and system deployment to production Managing projects using Workfront portfolio, program and project management cloud service. Coordinating and executing changes thru the change control policy and process Part of on-call support rotation team with after-hours and weekend balanced work as required Mentoring less experienced team members. Here's what you need: BS / BA degree in computer Science, Information Systems - MS / Minimum 2 yr. exp. Requires minimum 8 years of related systems administration/Engineering experience, with at least 5 years working in a senior systems administration role. Red Hat Certified Engineer (RHCE) or Oracle Linux certification preferred VMware Certified Professional preferred Cisco Data Center (UCS) certification is plus Client Storage certification is a plus Citrix Networking - NetScaler certification is a plus Additional years of senior systems administration experience may be substituted for degree requirement How you'll stand out in the crowd: Expert knowledge of the Linux Kernel and hands-on experience with various Linux distribution: Red Hat 4,5,6, Centos 4,5, SuSe 9/10/11 and Oracle Linux 5-7 Strong knowledge of virtualization technology: VMware (vCenter, vSphere 4-6 and ESX 4-6) Possess in-depth working knowledge of Linux file systems and storage architecture Strong knowledge of TCP/IP, HTML, HTTP, SSL, SSH, SFTP, DNS, Apache, Tomcat and LDAP Understanding of database and web application concept and architecture: Oracle, MSQL and WebLogic Familiarity with database connection methodologies: ODBC and JDBC Understanding of system and storage design appropriate to support oracle database and WebLogic application server Hands-on experience with server hardware: IBM x series, Dell and Cisco UCS (our new standard) Hands-on experience with storage hardware: IBM v3700 family and Client 3Par T400 and 7400 (Client SAN is our new standard) Deep understanding of storage and SAN technology: Virtual disk, LUNs, snapshot, replication and thin provisioning Application/server load balancing and content delivery concept and technology: strong Citrix NetScaler knowledge preferred Experience with SafeNet encryption appliances is a plus Experience in developing vendor and technology product score cards as part of technology selection process Strong understanding of Linux security principles, defense in-depth, firewalls, IPS/IDS, identity management, authentication and encryption Familiarity with vulnerability scanning tools: Qualys, Nmap and Nessus - Alert Logic is a plus Possess in-depth working knowledge of Linux patch management and related information security functions Experience in log management processes using Syslog, Splunk, OSSEC and SolarWinds preferred - Alert Logic is a plus Proven track record in designing and implementing highly available, scalable, resilient and fault tolerant systems platform Knowledge of cloud computing technology: PaaS, IaaS, SaaS and hybrid solutions Experience in disaster recovery and business continuity principles and methodologies Experience in designing and maintaining back-up/restore, archiving, and data protection strategy using local and online backup solutions for physical and virtualized systems - Experience with Unitrends Recovery Appliances is plus Strong knowledge of monitoring principles and tools: Nagios and SolarWinds Orion preferred (SolarWinds is our standard) Ability to articulate issues in business and technical terms Must have experience in an operational senior Linux administration role supporting mission-critical platforms, including physical and virtualized environments. Strong hands-on knowledge of systems automation techniques in order to increase systems administration efficiency and support. 3rd party products experience such as Puppet and Bastille a plus. Strong working knowledge of Linux shell and scripting languages such as Perl and/or Bash Solid understanding of IP network technologies and software tools for performance monitoring and troubleshooting Must be familiar with and willing to implement open source solutions and tools where appropriate Knowledgeable of systems auditing process and controls. SOX and PCI compliance experiences a plus. Must be a self-starter and be able to work independently, but also within a team. Experience in managing third party vendor relationship Strong verbal and written communication skills is required Knowledge of industry standards and frame work (ITIL, ISO, COBIT) a plus Must be willing to work off-hours/weekends to support operational needs Strong interpersonal skills: ability to communicate with customers, vendors, partners and business managers across various levels of the organization. Well organized, attentive to details and able to meet demanding deadline Good project management skills - provided by Dice
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