Jobs at interactions

Senior Unix Systems Administrator

Senior Systems Engineer

Senior Unix Systems Administrator

Position Overview:

The Senior Unix System Administrator is responsible for deploying, monitoring and maintaining OS, system and third party software applications, servers and network infrastructure to support our managed services solution to clients. Additionally, the administrator participates in systems/network design, policy/procedure and cost analysis related activities. This position also interfaces with the research and development group on selected projects as needed. This position has no reports.For this position we are looking for someone who is willing to work on contract basis during the initial evaluation period prior to joining as a full time employee.

Required Skills:

• Expert-level systems administration skills with UNIX-like systems. (Linux, FreeBSD)
• Installation and configuration, backups, performance tuning, patching
• Troubleshooting, understanding of kernel-level fundamentals, debug info collection
• Proficient with systems scripting in shell script(C, K, Bourne), Perl, AWK/Sed, etc
• Expert-level IP networking skills (TCPIP, VLANs, MPLS, WAN, DHCP, DNS, etc)
• Network problem identification, isolation, and resolution
• Operating DHCP (isc-dhcpd, Cisco) and DNS (bind) services
• Working experience with Cisco routers and switches; other vendors a plus.
• Access-lists, route-maps, IP routing and dynamic routing protocols (RIP, OSPF, ISIS, BGP) NAT, VPNs (IPSEC, SSL), remote VPN users
• Network and System Security Skills
• General firewall knowledge
• Commercial firewalls (Cisco Pix, Checkpoint) or open-source (ipfilter, ipfw, pf, ipchains)
• Security policy and access controls for networks, systems, and users.
• Telephony skills
• VOIP (SIP), IP PBX (Asterisk), IP Phones
• TDM voice circuits; T1 robbed-bit and PRI signaling
• Basic understanding of the PSTN, PBXs, call routing
• Network Management and Monitoring Systems:
• Familiarity with operational management controls; change management policies and procedures, outage reporting, and job time accounting
• Outage handling, service provider interaction, trouble escalation
• Other Skills
• Organization, Time Management, and Work Prioritization
• Teaming, written and verbal communication
• Requirements
• Travel to client sites and data centers. Anticipate up to 10% travel.
• Must be able to lift up to 80 pounds (shipping, moving and racking)
• Complete full system disassembly and reassembly (including swapping components (CPU, RAM, hard drives, interface cards, etc.
• Respond to out of hours service issues and participate in on call schedule
• Build data network cabling, cat5+, cross-overs, and other connectorizing patch cables
• A minimum of three years of related experience, additional certifications are a plus
• BA / BS CIS or computer related field are a plus

Senior Systems Engineer

Key areas of responsibilities:

• Development of major software components, including systems integrations
• Architectural responsibility
• Mentoring of less senior teammates
• Collaborative interaction with business, marketing, and product development personnel

Minimum Requirements:

• 3+ years Java in an enterprise environment
• Relational database design skills
• Experience in a large, parallel development organization
• Technical experience with JMS, ESB, SOA, Webservices, JNI, RMI, Spring, Portals, and popular open source tools
• Unit testing (believes in it and actually does it)