Senior Dns Engineer (Linux)

Position Description

Do you have experience in IT security and a strong background in DevOps, Linux System Administration,  Writing Ansible Playbooks, and Terraform scripts? Do you have experience with the DNS?

 

Valiant Solutions is seeking a Senior DNS Engineer (Linux) to join our rapidly growing and innovative cybersecurity team!  Valiant Solutions is a company that cares about its employees- we've been named one of the Best Places to Work in the Washington DC area NINE years in a row!  If you are interested in learning more about Valiant and this opportunity, we invite you to apply now! 

 

This is your opportunity to join a busy Security Engineering team delivering cutting-edge solutions to a fantastic Government client.  A solid foundation with Linux/UNIX operating systems, DNS, and scripting experience is key for this challenging and rewarding role.  You will join a network security team responsible for developing automation for various security and infrastructure solutions in the cloud and on-premise data centers.  We seek a motivated Cybersecurity professional passionate about Linux, scripting, automation, and DNS. The successful candidate will handle project and operational activities for 100+ Linux servers of varying distributions, both on-premise and in the cloud. 

 

The successful candidate will have proven experience in automating manual IT infrastructure and security processes and a proven track record of learning new technologies. To be successful in this role, you'll be passionate about what you do and will be able to work autonomously to engineer your way out of problems.

 

This position allows for 100% remote work and will participate a rotating on-call schedule. Remote work necessitates a high-level trust in our employees and we strictly adhere to the details found below in our Remote Work Policy. 

 

Must-Have Experience: 

• 5+ years relevant technical experience
• B.S. in Computer Science, Information Systems, Mathematics, Engineering, related degree or an additional 3 years of relevant experience.
• 3+ years of solid DNS  experience:  Extensive experience with  DNS infrastructure and server software like BIND or Microsoft DNS. Understanding of how authoritative, recursive DNS are configured, configuration of zones,  DNSSEC, caching, and split horizon. Experience with DOH (DNS-Over-Https) and DOT (DNS-over-TLS) . Experience with DNS stress testing, troubleshooting of DNS issues.
• 6+ years of development experience.  This experience must include full-time development on Linux/UNIX platforms and will involving the use of bash scripting, Python, or Ruby.
• 3+ years of Ansible and Terraform experience.  The successful candidate will have proven experience developing Ansible Playbooks and Roles and will have written Terraform code to implement configuration within the AWS cloud service provider layer and within operating systems.
• 3+ years of AWS experience.  The successful candidate will have experience working with Amazon Web Services either deploying or accessing AWS services and applications that run in AWS. This experience must have included significant AWS API automation.
• 2+ years IPV6  experience.   In-depth  knowledge of IPv6 configuration on windows and linux servers , troubleshooting

 

Strongly Preferred Experience:

• Security Engineering:  Broad mix of security expertise in areas such as SIEM integration implementation of technology mechanisms to protect information systems' Confidentiality, Availability, and Integrity.
• Strong experience with systems administration:  The successful candidate must have experience with Windows and Linux/UNIX server operating systems.  You will understand permissions in both OS types and be familiar with authentication mechanisms. 
• Networking engineering experience (Routing & Switching): The successful candidate will be experienced with static routing, EIGRP, and OSPF routing protocols and must be experienced with TCP/IP and IP subnetting.  The successful candidate will be experienced working in a mid to large environment and will be able to work with minimal direction.
• Experience with source code management:  The successful candidate will be very knowledgeable with Git, GitHub, and with repository management tools such as Artifactory.
• 2+ years of Elastic Stack experience.  The successful candidate will have proven experience deploying and managing Elastic Stack/ELK clusters. This includes experience configuring Elasticsearch, Logstash, and Kibana.

 

Some Responsibilities Include:

• System Administration: Perform day-to-day administration tasks for our Linux-based servers, including configuration, maintenance, and troubleshooting.

• Security Patching: Regularly assess and apply security patches and updates to ensure the highest level of system security.

• Template Builds: Develop and maintain standardized system templates to expedite provisioning and ensure consistent configurations.

• Automation: Leverage your scripting prowess to design and implement automation solutions for routine tasks, enhancing efficiency and reducing manual efforts.

• Performance Optimization: Identify opportunities for system performance improvement, implement tuning strategies, and monitor resource utilization.

• Incident Response: Collaborate with cross-functional teams to address and resolve system incidents, minimizing downtime and ensuring rapid recovery. Participate in the on-call rotation schedule to address and resolve critical system issues during off-hours.

• Proactive Monitoring: Utilize monitoring tools to track system health, identify anomalies, and preemptively address potential issues.

• Collaboration: Work closely with networking, development, and security teams to ensure seamless integration of systems and applications.
• Lifecycle Management: Take charge of end-to-end lifecycle management for our Linux systems, including provisioning, configuration, OS upgrades, and decommissioning.

• Documentation: Maintain comprehensive and up-to-date documentation for configurations, procedures, and troubleshooting guidelines.
• Innovation: Stay abreast of industry trends, evaluate new technologies, and propose innovative solutions to improve system architecture and processes.

 

About Valiant Solutions

Valiant Solutions is a security-focused IT solutions provider with public clients nationwide. We are a HUBZone small business and we encourage all candidates who live in a HUBZone to apply. Named one of the fastest growing privately held companies by Inc. 5000, Washington Technology's Fast 50, and Washington Business Journal's Best Places to Work in the D.C. area, Valiant Solutions prides itself on providing its employees with great benefits and career development opportunities. As a company, we are just as committed to growing careers as we are to building world-class IT solutions, all while enjoying an unparalleled work-life balance. We are in a phase of tremendous growth and building the team that will take us to the next level. We seek people whose talents and accomplishments will contribute to a thriving company, who have the character to support their capacity, and can make a positive impact on our culture. Alongside our talented team, you'll learn to think quickly on your feet and expand your own personal and professional skill set. Our management team will inspire you to consider new perspectives and challenge you to become a better practitioner in the fast-paced industry of IT security. We hire people we respect - and we trust them to deliver results leveraging their expertise. If you would enjoy working in a dynamic environment as part of a stellar team of professionals, then we invite you to apply online today.

 

Benefits Snapshot (includes, but not limited to)

Valiant pays 99% of the Medical, Dental, and Vision Coverage for Full-time Employees

Valiant contributes 25% towards Health Coverage for Family and Dependents

100% Paid Short Term Disability and Life Insurance Policy for Full-time Employees

100% Paid Certifications

401K Matching up to 4%

Wellness & Fitness Program

Paid Time Off

Paid Time On - 40 hours to pursue innovation

Valiant University - Online Education and Training Portal

Reimbursement for Public Transit and Parking

FSA programs for: Medical Costs, Dependent Care, Transit, and Parking

Referral Bonuses

 

Remote Work Policy 

Remote work necessitates a high level of trust in our employees. To ensure that employee performance does not suffer in a remote work environment, all employees who telecommute are expected to have a quiet and distraction-free workspace with adequate internet, dedicate their full attention and availability to their job duties during working hours, and maintain a schedule during core business hours that align with those of their coworkers and Valiant's clients. In alignment with Valiant's inclusive and engaging environment, cameras are encouraged and can be required to be on during virtual video conferences. Additionally, in alignment with the Office of the Inspector General's effort to eliminate conflicting employment, all Valiant employees are required to disclose any current or future outside employment engagements. During onboarding and throughout employment, employees must disclose any current activities or intent to engage in outside employment or other professional activities and obtain written approval.  Employees may not solicit or conduct any outside business during core business hours for Valiant Solutions and our clients.

 

Equal Employment Opportunity

Valiant Solutions is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, ethnicity, color, national origin, sex (including pregnancy, sex stereotyping, gender identity, gender expression or transgender status), religion, age, marital status, sexual orientation, military/veteran status, physical or mental disability, genetic information/history or any other personal characteristic protected by law.

 

Physical Demands

Sitting or standing at a desk for prolonged periods of time and consistent operation of a computer. Frequent communication and exchanging of accurate information via electronic communication, phones, and in person. Occasionally lift and/or move moderate amounts of weight, typically less than 20 pounds. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.

 

Authorization to Share Resume and Personal Information

By submitting your resume for this position, you authorize Valiant Solutions to share your resume, as well as, personal information included on the resume, with its subsidiaries, affiliates and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education and experience. Should Valiant Solutions or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.

Employment Type: FULL_TIME