Systems Engineer - Expert with Security Clearance

RealmOne; Fairfax (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

RealmOne is seeking a Systems Engineer to support mission-critical enterprise infrastructure and security operations for a key U.S. Government customer.

The role requires hands-on systems engineering across network, compute, storage, OS, middleware, databases, and applications, with the ability to document current state architectures and design future-state solutions. The ideal candidate will lead collaborations with System/Cloud Architects, drive modernization efforts, and ensure availability,

Qualifications

• Bachelor's degree in computer science or related technical discipline, or other related technical discipline, or equivalent combination of education, technical certifications, training, and work/military experience.
• Minimum ten (10) years of related systems engineering experience.

Responsibilities

• Analyze and document as-is infrastructure, platform, and application architecture.
• Work with the System Architect and Cloud Architect to create detailed engineering designs for modernization, optimization, and transformation initiatives.
• Lead and execute cloud and on-prem system implementations, migrations, and upgrades.
• Ensure systems meet availability, scalability, performance, security, and compliance requirements.
• Integrate infrastructure and platforms with DevOps and DevSecOps pipelines.
• Troubleshoot complex, cross-stack issues spanning infrastructure, platforms, and applications.
• Produce clear technical documentation, diagrams, standards, and runbooks.
• Serve as a technical authority and escalation point for complex system issues.

Skills

Systems engineering

Cloud & on-prem

Documentation & runbooks

Security & compliance

Education

Bachelor's degree in CS or related field

Tools

AWS

Azure

Kubernetes

DevOps tooling

Job description

RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch industry professionals. We are seeking a Systems Engineer - SME support mission-critical enterprise infrastructure and security operations for a key U.S. Government customer.

We are seeking a Systems Engineer - SME with deep expertise across infrastructure, platforms, and application ecosystems spanning cloud and on-premises environments. This role requires a proven practitioner who can analyze existing ('as is') systems and applications, document current state architectures, design future-state solutions, and implement systems enhancements or technology transformations end-to-end.

The ideal candidate is a technical leader and doer, not just an advisor - someone who can seamlessly collaborate across infrastructure, platform, application, DevSecOps, information systems security, and data teams while maintaining ownership of system reliability, performance, scalability, and security.

The Systems Engineer shall possess the following capabilities:

• Perform hands-on systems engineering across network, compute, storage, operating systems, middleware, databases, and applications

Responsibilities

• Analyze and document as-is infrastructure, platform, and application architecture
• Work with the System Architect and Cloud Architect to create detailed engineering designs for modernization, optimization, and transformation initiatives
• Lead and execute cloud and on-prem system implementations, migrations, and upgrades
• Ensure systems meet availability, scalability, performance, security, and compliance requirements
• Integrate infrastructure and platforms with DevOps and DevSecOps pipelines
• Troubleshoot complex, cross-stack issues spanning infrastructure, platforms, and applications
• Produce clear technical documentation, diagrams, standards, and runbooks
• Serve as a technical authority and escalation point for complex system issues

Collaborate effectively with

• Infrastructure & Platforms Engineers
• Software Engineers
• DevOps / DevSecOps Engineers
• Data Engineers (ETL)
• Data Modelers, Data Scientists, and Data Analysts

Communication Skills

• Ability to brief executives clearly and translate technical issues into business impact
• Ability to work across organizations (internal and DoD) to implement complex solutions

Required Qualifications

• Bachelor's degree in computer science or related technical discipline, or other related technical discipline, or equivalent combination of education, technical certifications, training, and work/military experience
• Minimum ten (10) years of related systems engineering experience

Desired Qualifications

• Observability and monitoring tools (e.g., logging, metrics, tracing)
• Zero Trust and modern security architecture
• Data analytics, AI/ML platform exposure
• Experience supporting production or mission-critical environments
• Relevant certifications (e.g., cloud, systems, security, or architecture)
• Knowledge of machine learning platforms (e.g., TensorFlow, PyTorch, SageMaker)
• Familiarity with big data ecosystems (e.g., Hadoop, Databricks, Snowflake, Google BigQuery)
• Strong background in ITIL processes and agile methodologies

Certifications

• AWS Solutions Architect / DevOps Engineer, Azure Administrator, Kubernetes CKA/CKAD ITIL Foundation

Position requires active Security Clearance with appropriate Polygraph.