Senior Network Site Reliability Engineer

Employees describe ARIN as offering a supportive, casual, and flexible work environment that provides an atmosphere of continuous learning while being responsive to the community we serve.

Located in Chantilly, Virginia, ARIN offers competitive salaries, comprehensive benefits, training, and education reimbursement. In lieu of stock options (we are a nonprofit, membership association), we have a generous 401(k) retirement plan.

In 2017, ARIN was named a Top Workplace by The Washington Post.

Apply: To apply for this opening, please e-mail your resume to jobs-srnetwork @arin.net. This position will be designated under a hybrid work schedule and will be required to work in the ARIN Chantilly, Virginia office as needed. Please note that this is an in-house position. Relocation not provided. Any offer of employment is contingent upon satisfactory completion of a background check, including references. Final candidates will need to complete a background check authorization form.

We are currently seeking a Senior Network Site Reliability Engineer who will be a major contributor to the design, build, configuration, maintenance, and tuning of our Internet connected multi-site network and support of associated systems and services.

Job Description and Responsibilities

• Perform or support the installation of network infrastructure. Configure routers, switches, and other network infrastructure with a focus on increasing deployment automation. Responsible for the day-to-day management of the network environment. Have a very good understanding of network switching, routing, peering, monitoring systems such as Prometheus, operational knowledge of Linux, OpenBSD, and Kubernetes-based networking, as well as scripting experience in deployment environments like GIT with Ansible and Python.
• Monitor, tune, and ugrade network infrastructure to ensure optimum performance in accordance with established guidelines. Have operational experience in BGP, ISIS, OSPF and establishing peering relationships with other ISPs.
• Perform installation and upgrades of Linux-based hardware and software. Configure servers, containers, workloads, VMs, and bare-metal systems in accordance with established guidelines.
• Proactively evaluate network infrastructure, capacity and service security, recommend improvements, perform preventative maintenance and apply security updates as required by ARIN policies. Implement security practices and procedures using industry best-practices.
• Evaluate and make recommendations for network hardware and applications based on assessments of the operating environment and requirements.
• Participate in the Agile formulation, development, implementation of applications and systems as needed. Provide subject matter expertise on inter-networking, routing related technologies, and networking services, such as DNS.
• Provide on-call support for critical network and system operations on a rotating basis. Provide secondary, escalated tier support for network-associated problems.

Additional Duties

• Provide backup support for UNIX and Windows systems administration and database administration.
• Provide technical administration of DNS zones managed by ARIN.
• Perform other related duties as required and assigned.
• Ability and willingness to travel in accordance with the ARIN travel guidelines.

Background/Skills Required

• 4-year college degree preferably in an information systems or computer science related discipline, OR equivalent combination of education and experience. In lieu of education, 3 years of network SRE/engineering experience in a service provider environment may be substituted.
• Comprehensive knowledge of physical and vitual network infrastructure (routing, switching, firewalls, and load-balancing) typical routing protocols (TCP, BGP, ISIS, and OSPF), network services, and network hardening/protection methods.
• Experience in monitoring, supporting, deploying, and managing complex networks.
• Experience with various operating environments, shell scripting, Python, Ansible, Kubernetes/Docker along with experience with RPSL, RPKI, and PeeringDB.
• Should be comfortable with UNIX system, firewall, DNS, and database administration.
• Ability to evaluate new hardware and systems and make sound recommendations.
• Good interpersonal skills in a team environment. Strong verbal and written skills.

Physical Requirements*

• Moderate physical activity with the ability to type and perform repetitive motions.
• Ability to pick up and maneuver computer equipment weighing up to 50 pounds. May occasionally maneuver heavy equipment weighing up to 200 pounds.
• 75% of time working at computer.
• ARIN is committed to providing reasonable accommodations as required by law for physical or mental disabilities (and others as required by law), unless undue hardship would result or an accommodation would pose a direct threat to the individual or others in the workplace. Qualified applicants or employees who require an accommodation should contact their direct supervisor or the Human Resources and Administration Department as to discuss any need for an accommodation and to engage in the interactive process.

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