Systems Engineering Subject Matter Expert (SME)
Location: Herndon, VA
Employment Type: Full-Time
Clearance: TS/SCI Poly
Position Overview
We are seeking a highly experienced, hands-on Systems Engineering Subject Matter Expert (SME) to support a complex technical environment in Herndon, Virginia.
This position is ideal for a senior technical leader with broad, practical expertise across enterprise infrastructure, cloud platforms, networking, operating systems, containers, databases, applications, security, and DevSecOps.
The Systems Engineering SME will assess current-state environments, develop future-state architectures, and lead complex implementations and modernization efforts from design through production. This individual will serve as a technical authority and escalation point while working closely with infrastructure, platform, software, DevOps, security, and data teams.
Key Responsibilities
- Perform full-stack systems engineering across network, compute, storage, operating systems, middleware, databases, and application environments.
- Assess and document existing "as-is" architectures and develop detailed "to-be" architectures.
- Develop implementation, migration, modernization, and upgrade strategies.
- Lead complex cloud, hybrid, and on-premises implementations and migrations.
- Design systems for availability, scalability, performance, security, and compliance.
- Integrate infrastructure and platforms with DevOps/DevSecOps and CI/CD pipelines.
- Troubleshoot complex technical issues spanning multiple infrastructure and application domains.
- Collaborate with infrastructure, platform, software engineering, DevOps, security, and data teams.
- Develop technical documentation, architecture diagrams, standards, implementation plans, and operational runbooks.
- Serve as a senior escalation point and technical authority for complex system issues and architectural decisions.
- Communicate technical concepts, risks, recommendations, and strategies to both technical and nontechnical stakeholders, including executive leadership.
Required Skills & Experience
Candidates should possess extensive hands-on systems engineering experience across several of the following areas:
Infrastructure & Networking
- Enterprise networking
- Firewalls, load balancers, and DNS
- SAN, NAS, and object storage
- Hybrid and on-premises infrastructure integration
Cloud & Containers
- AWS, Azure, and/or GCP
- Cloud networking and security
- Cloud cost optimization
- Kubernetes
- Docker
- Hybrid cloud architectures
Linux & Systems Administration
- Linux administration, particularly RHEL/CentOS
- Operating system hardening
- System automation
- PKI and identity management
Databases & Application Infrastructure
- Relational and NoSQL database technologies, including experience with platforms such as:
- Oracle
- PostgreSQL
- MySQL
- SQL Server
- MongoDB
- Cassandra
- DynamoDB
- Redis
- APIs and web services
- Middleware technologies
- Software Development Life Cycle (SDLC) fundamentals
- Event messaging technologies such as SQS, SNS, and RabbitMQ
Infrastructure as Code & Automation
- Terraform
- Ansible
- CloudFormation
- Python
- Bash
- PowerShell
DevOps / DevSecOps
- CI/CD concepts and implementation
- Jenkins
- GitLab CI/CD
- GitHub Actions
- ArgoCD
- Integration of systems and platforms into DevOps/DevSecOps workflows
Security & Observability
- Security best practices and system hardening
- Monitoring, logging, and observability technologies such as:
- Prometheus
- Grafana
- Splunk
- ELK
- CloudWatch
Architecture & Technical Leadership
- Demonstrated ability to assess complex production environments and create comprehensive as-is and to-be architectures.
- Experience developing detailed implementation and migration plans.
- Ability to move between high-level architecture and hands-on technical implementation.
- Proven ability to design, build, troubleshoot, and take ownership of complex production systems.
- Strong systems-thinking and problem-solving abilities.
- Excellent written and verbal communication skills.
- Ability to collaborate across technical disciplines and communicate effectively with executive-level stakeholders.
Desired Qualifications
- Experience designing or supporting Zero Trust architectures.
- Exposure to AI/ML or data platforms.
- Experience with big data technologies such as:
- Hadoop
- Databricks
- Snowflake
- BigQuery
- Experience supporting mission-critical systems and environments.
- ITIL and/or Agile delivery experience.
- Relevant cloud, security, DevOps, or architecture certifications, such as:
- AWS Solutions Architect
- AWS DevOps
- Azure Administrator
- CKA / CKAD
- ITIL
Ideal Candidate
The ideal candidate is not solely an architect or administrator, but a hands-on technical SME who can operate across the entire technology stack. They should be equally comfortable developing an enterprise architecture, working through a difficult production issue, planning a cloud migration, automating infrastructure, and communicating technical recommendations to senior leadership.
This position is well suited for an experienced Systems Engineer or Architect who enjoys solving complex, cross-domain technical challenges and taking ownership of systems from architecture and design through implementation and production operations.
Benefits
This position offers a highly competitive, employer-supported benefits package, including:
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5 weeks of PTO plus birthday leave
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11 floating holidays
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401(k) with 10% employer contribution
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Multiple medical plan options through Anthem, including:
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Platinum PPO national plan
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Gold PPO national plan
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Gold HMO HSA national plan
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Employer-paid dental coverage through Delta Dental PPO Plus Premier
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Employer-paid vision coverage through VSP / DeltaVision
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Employer-paid Life and AD&D coverage at 2x salary, up to $400,000
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Optional voluntary Life and AD&D coverage from $10,000 to $500,000, not to exceed 5x salary
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Employer-paid Short-Term Disability, covering 60% of salary up to $2,500
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Employer-paid Long-Term Disability, covering 60% of salary up to $10,000 per month
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Health Savings Account availability, depending on selected health plan
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$1,000 annual Lifestyle Savings Account
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$5,000 annual professional development reimbursement for degrees, training, and certifications
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$1,000 annual technology reimbursement
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Candidate referral bonus program, up to $10,000
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Discretionary profit sharing
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Discretionary performance bonus opportunities
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New contract bonus opportunities, up to $10,000
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Employer-paid access to online training through Udemy and Paylocity
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Optional pet insurance through Pets Best
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Access to Working Advantage employee discounts and rewards programs at no cost
About the Opportunity
This is an excellent opportunity for a Full Stack Software Developer with strong cloud, data analytics, and application development experience to support high-impact mission work. The selected candidate will contribute to modern, scalable, and secure software solutions that improve data processing, analytics, search, automation, and enterprise digital architecture across a mission-critical environment.
