Systems Administrator (DevOps)

WarCollar Industries, LLC; Herndon (VA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical insurance

PTO based on billable hours

Federal holidays + birthday

Job summary

WarCollar Industries is seeking a highly skilled Systems Administrator to support design, administration, security, and scalability of infrastructure hosting mission-critical applications across development, testing, training, and production environments. You will work with software developers, DevOps, and data engineers to maintain reliable, secure systems at enterprise scale.

The role emphasizes database management, cloud infrastructure (AWS), Kubernetes, security, and operational scalability,

Qualifications

• Active TS/SCI clearance with Full Scope Polygraph.
• 7+ years of experience working with SQL databases, including database administration, sizing, performance, and management.
• 4+ years of experience administering Linux and/or Windows operating systems.
• 2+ years of hands-on Elasticsearch experience. 2+ years of hands‑on Kubernetes experience, including cluster administration and troubleshooting.
• Demonstrated experience with AWS cloud infrastructure and services.
• Experience with CI/CD technologies such as GitLab, GitHub, or Jenkins.
• Experience with system security, vulnerability management, patching, VPNs, and SSL/TLS certificate management.
• Proven systems design, troubleshooting, scalability, and problem-solving capabilities.
• Strong verbal and written communication skills with the ability to collaborate effectively across technical teams.
• Ability to work fully onsite in Herndon, VA.

Responsibilities

• Cloud & Database Infrastructure: Deploy, provision, configure, and secure AWS resources including EC2, S3, RDS, EBS, CloudWatch, VPC, and related services.
• Support database sizing, performance, administration, and server security.
• Linux/Windows Admin: Administer and maintain Linux and/or Windows environments supporting development, testing, training, and production systems.
• Perform routine maintenance, troubleshooting, configuration, and performance optimization.
• DevOps & CI/CD: Build, maintain, monitor, and troubleshoot CI/CD pipelines using tools such as GitLab, GitHub, and Jenkins.
• Kubernetes & Containerization: Design, build, administer, maintain, and troubleshoot Kubernetes clusters and containerized environments to ensure reliable and uninterrupted operations.
• Security & Maintenance: Conduct vulnerability scans, apply security patches to physical and cloud infrastructure, manage VPN technologies, and maintain current SSL/TLS certificates and security configurations.
• Architecture & Scalability: Design and implement secure infrastructure enhancements to support new capabilities, improve system performance, increase scalability, and resolve infrastructure-related issues.

Skills

Cloud AWS

Database Admin

Linux/Windows Admin

CI/CD

Kubernetes

Security Patch Mgmt

Architecture & Scalability

Collaboration

Tools

GitLab

GitHub

Jenkins

Elasticsearch

AWS

Linux

Windows

Job description

Job Description

WarCollar Industries is seeking a highly skilled Systems Administrator to support the design, administration, security, and scalability of infrastructure hosting mission-critical applications across development, testing, training, and production environments. The Systems Administrator will work closely with Software Developers, DevOps Engineers, and Data Engineers to maintain reliable, secure, and scalable systems that enable our customers to operate safely and efficiently at enterprise scale. This position requires strong systems administration and infrastructure design experience, with an emphasis on database management, cloud infrastructure, Kubernetes, security, and operational scalability.

Job Description

WarCollar Industries is seeking a highly skilled Systems Administrator to support the design, administration, security, and scalability of infrastructure hosting mission-critical applications across development, testing, training, and production environments. The Systems Administrator will work closely with Software Developers, DevOps Engineers, and Data Engineers to maintain reliable, secure, and scalable systems that enable our customers to operate safely and efficiently at enterprise scale. This position requires strong systems administration and infrastructure design experience, with an emphasis on database management, cloud infrastructure, Kubernetes, security, and operational scalability.

Required Skills

Core Responsibilities:

• Cloud & Database Infrastructure: Deploy, provision, configure, and secure AWS resources including EC2, S3, RDS, EBS, CloudWatch, VPC, and related services. Support database sizing, performance, administration, and server security.


• Systems Administration: Administer and maintain Linux and/or Windows environments supporting development, testing, training, and production systems. Perform routine maintenance, troubleshooting, configuration, and performance optimization.


• DevOps & CI/CD: Build, maintain, monitor, and troubleshoot CI/CD pipelines using tools such as GitLab, GitHub, and Jenkins.


• Kubernetes & Containerization: Design, build, administer, maintain, and troubleshoot Kubernetes clusters and containerized environments to ensure reliable and uninterrupted operations.


• Security & Maintenance: Conduct vulnerability scans, apply security patches to physical and cloud infrastructure, manage VPN technologies, and maintain current SSL/TLS certificates and security configurations.


• Architecture & Scalability: Design and implement secure infrastructure enhancements to support new capabilities, improve system performance, increase scalability, and resolve infrastructure-related issues. Maintain and evolve system architecture in accordance with operational and security best practices.


• Collaboration & Technical Support: Work closely with development, DevOps, and data engineering teams to identify infrastructure requirements, resolve technical issues, and improve the reliability and efficiency of mission-critical applications.

Desired Skills

Required Qualifications:

• Active TS/SCI clearance with Full Scope Polygraph.


• 7+ years of experience working with SQL databases, including database administration, sizing, performance, and management.


• 4+ years of experience administering Linux and/or Windows operating systems.


• 2+ years of hands-on Elasticsearch experience. 2+ years of hands‑on Kubernetes experience, including cluster administration and troubleshooting.


• Demonstrated experience with AWS cloud infrastructure and services.


• Experience with CI/CD technologies such as GitLab, GitHub, or Jenkins.


• Experience with system security, vulnerability management, patching, VPNs, and SSL/TLS certificate management.


• Proven systems design, troubleshooting, scalability, and problem-solving capabilities.


• Strong verbal and written communication skills with the ability to collaborate effectively across technical teams.


• Ability to work fully onsite in Herndon, VA.

Additional Details

WarCollar Industries offers the opportunity to work on challenging, mission-focused technology initiatives while contributing to secure, scalable infrastructure supporting U.S. Government customers.

About WarCollar Industries

WarCollar Industries, LLC is a veteran‑owned small business. We maintain a team of cybersecurity experts committed to protecting complicated data and distribution systems and providing decision makers with the most accurate assessment of residual risk possible. We work with our clients to solve the toughest challenges in the ever‑evolving digital landscape. Services include network defense, computer network attack, secure network design, penetration testing and vulnerability assessment. WarCollar enables its clients to find, fix, stop, and ultimately solve cybersecurity problems across their entire enterprise.

WarCollar offers generous benefits including:

• Medical insurance premium coverage


• PTO based on billable hours


• federal holidays plus your birthday


• matching 401k, education reimbursement plus paid training days


• performance bonuses


• referral bonuses


• government shutdown protection


• monthly team building events plus two major social events annually

WarCollar Industries, LLC is an equal opportunity employer. WarCollar does not discriminate in employment based upon race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, status as a protected military veteran, or other non‑merit factor.