Demo

Sr. System Engineer – DevOps 5+

InterviewGIG
Bangor, ME Full Time
POSTED ON 1/25/2025
AVAILABLE BEFORE 4/19/2025

Responsibilities

Make sure to apply quickly in order to maximise your chances of being considered for an interview Read the complete job description below.

Develop software solutions and microservices to support our network security platforms at one or more of the following levels :

  • Low-level OS components, datacentre distributed platforms
  • Research and implement new networking security solutions and platforms for intra- and cross-datacenter network flows
  • Advance and operate these security scanning platforms in a full DevOps model
  • Operate in an Agile development environment, including participating in daily scrums
  • Support the team’s engineering excellence by performing code reviews and mentoring junior team members

Requirements

Industry experience : 5 years (SMTS) including :

  • 3 years’ experience in SaaS, PaaS or IaaS software development
  • 3 years’ experience in a high-availability 24 / 7 environment (cloud platforms are a plus)
  • Education : ME / M.Tech in Computer Science / Engineering or BE / B.Tech. in the same disciplines with equivalent years of experience

    Network Security : Hands-on expertise in building or managing software platforms for network security, including segmentation, ACLs, DPI, DDoS protection. Examples include :

  • Software : iptables, ipsec, VPN, IDS
  • Hardware : switch ACLs, stateful firewalls, network segmentation, security zones
  • Networking : Industry-level expertise in any of the following networking aspects
  • VM and containers network stacks (OpenStack’s Neutron, Cilium, Romana)
  • Network control planes and agents (Calico, Flannel, Contiv, Contrail, OVN)
  • OSI model and debugging network traffic
  • Networking protocols (TCP / UDP, BGP, DNS, DHCP)
  • Datacenter network architecture at software platform and hardware devices (NAT, VXLAN, overlay / underlay)
  • Programming : Proficiency in object-oriented and multi-threaded programming in at least one of the following languages : Golang, Java, C , Python

    Platform development : Proven track of designing and coding large-scale PaaS or IaaS systems, especially for public cloud providers (e.g., AWS, Azure, GCP)

    Software design : Demonstrated expertise in applying systems patterns (e.g., Client-server, N-tier, Master / Slave, MVC) and API constructions (e.g., Swagger, OpenAPI)

    Operating systems : Development and software management on Linux systems (e.g., CentOS, RHEL)

    Security : Strong knowledge in security fundamentals : authentication / authorization frameworks (e.g., SSO, SAML, Oauth), secure transport (e.g., SSL, TLS), identity management (e.g., certificates, PKI)

    DevOps mindset and strong ownership over owned code (test, monitor, deploy, maintain)

    Communication : Excellent oral and written communication skills

    Team : Ability to value team success beyond personal contributions

    Desired Skills / Experience

    Distributed systems : Expertise in designing, implementing and operated distributed systems architectures and concepts, including any of the following :

  • High-performance, high-availability (99.999%) and self-recoverable systems
  • Control, orchestration and automation platforms
  • RPC frameworks (e.g., Protobuf / gRPC, Thrift, Bond)
  • Consensus and consistency frameworks (e.g., Paxos, Raft, strong / eventual consistency)
  • Data-processing systems (e.g., Lambda architecture, Kafka, RabbitMQ, ELK)
  • Storage solutions (e.g., Cassandra, MongoDB, Hadoop, Redis, Zookeeper)
  • VMs / Containers : Hands-on experience with VMs and container technologies (e.g., OpenStack, Docker, Kubernetes)
  • Full-software ownership from idea to running in production : design, code, writing unittests, performing integration tests, deploying to production, supporting the system in the production environments
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