Apex Systems
Senior Site Reliability Engineer - Placement
Apex Systems, Fairfax, Virginia, United States, 22032
Senior Site Reliability Engineer - Placement
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Senior Site Reliability Engineer - Placement
role at
Apex Systems .
Job Description Our client is seeking a Senior Site Reliability Engineer to join a team building the next‑generation Continuous Diagnostics and Mitigation (CDM) Cyber data solution. The CDM Program is the Cybersecurity and Infrastructure Security Agency’s (CISA) dynamic approach to strengthening the cybersecurity of federal networks and systems through better awareness and visibility into their security posture and cyber threats. ECS is responsible for designing, building, deploying, operating, and maintaining a complete ‘Data Services’ solution which includes the collection, normalization, visualization, and sharing of cyber data from more than 100 federal agencies. The CDM Data Services product is an integrated suite of multiple Commercial Off the Shelf (COTS) products, software configuration packages, and custom code which work together to operate as an integrated solution tailored to meet Department of Homeland Security (DHS) requirements.
Role & Responsibilities ECS is seeking a talented Senior Site Reliability Engineer (SRE) to play a key role in defining, implementing, and growing our SRE practice to ensure the reliability, availability, and performance of our critical production environments.
The Senior SRE will contribute to a culture of continuous improvement, identifying areas for enhancement, and driving initiatives to improve system reliability, scalability, and efficiency.
The successful candidate will have demonstrated hands‑on experience designing, implementing, and maintaining solutions to ensure that systems—including infrastructure and applications—are resilient, highly available, and performant. The Senior SRE will also play a critical role in defining and measuring the Service Level Objectives (SLOs) and Service Level Indicators (SLIs) for our solution.
The Senior SRE will be responsible for setting up comprehensive logging, monitoring, and alerting solutions using the Elastic stack and other tools as necessary to ensure the continuous performance of services. Additionally, they will respond to incidents, perform root‑cause analyses, and implement solutions to prevent reoccurrences. The Senior SRE will work in close collaboration with other SRE team members, developers, testers, infrastructure engineers, DevOps engineers, and other stakeholders to integrate reliability and observability into the software development lifecycle.
Required Skills
US citizenship with ability to obtain Public Trust Suitability
6+ years of experience as a Site Reliability Engineer (SRE) or equivalent
6+ years of demonstrated experience designing, implementing, and maintaining observability solutions, including logging, monitoring, and alerting
6+ years of hands‑on experience with SRE tools (e.g., Elastic, Prometheus, Grafana, Splunk, etc.)
3+ years defining and measuring SLOs and SLIs
3+ years of relevant experience using cloud platforms (AWS GovCloud preferred)
3+ years of hands‑on programming or scripting (e.g., Python, Bash, etc.)
Strong knowledge of microservices, containerization, and orchestration tools (Docker, Kubernetes)
Proven ability to collaborate with cross‑functional teams to integrate reliability and observability into the software development lifecycle
Strong problem‑solving and analytical skills
Proactive, detail‑oriented approach to identifying inefficiencies and implementing improvements
Desired Skills
Bachelor's degree in Computer Science, Engineering, or a related field (or 4 additional years of related experience)
Experience working in an Agile/SAFe environment using ALM tools (Jira, Confluence, or similar)
Strong understanding of CI/CD principles and platforms (Jenkins, CircleCI, GitLab, GitHub Actions, Argo, Travis CI, etc.)
Expertise in configuration management tools (Ansible, Puppet, Chef)
Experience with infrastructure as code (Terraform, CloudFormation)
In‑depth understanding of networking, security, and system administration of Linux operating systems
Knowledge of version control platforms and branching strategies
Knowledge of disaster recovery planning, backup strategies, and data replication
Experience supporting large federal programs ($200M+)
Equal Opportunity Employer Apex Systems is an equal‑opportunity employer. We do not discriminate based on race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
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Senior Site Reliability Engineer - Placement
role at
Apex Systems .
Job Description Our client is seeking a Senior Site Reliability Engineer to join a team building the next‑generation Continuous Diagnostics and Mitigation (CDM) Cyber data solution. The CDM Program is the Cybersecurity and Infrastructure Security Agency’s (CISA) dynamic approach to strengthening the cybersecurity of federal networks and systems through better awareness and visibility into their security posture and cyber threats. ECS is responsible for designing, building, deploying, operating, and maintaining a complete ‘Data Services’ solution which includes the collection, normalization, visualization, and sharing of cyber data from more than 100 federal agencies. The CDM Data Services product is an integrated suite of multiple Commercial Off the Shelf (COTS) products, software configuration packages, and custom code which work together to operate as an integrated solution tailored to meet Department of Homeland Security (DHS) requirements.
Role & Responsibilities ECS is seeking a talented Senior Site Reliability Engineer (SRE) to play a key role in defining, implementing, and growing our SRE practice to ensure the reliability, availability, and performance of our critical production environments.
The Senior SRE will contribute to a culture of continuous improvement, identifying areas for enhancement, and driving initiatives to improve system reliability, scalability, and efficiency.
The successful candidate will have demonstrated hands‑on experience designing, implementing, and maintaining solutions to ensure that systems—including infrastructure and applications—are resilient, highly available, and performant. The Senior SRE will also play a critical role in defining and measuring the Service Level Objectives (SLOs) and Service Level Indicators (SLIs) for our solution.
The Senior SRE will be responsible for setting up comprehensive logging, monitoring, and alerting solutions using the Elastic stack and other tools as necessary to ensure the continuous performance of services. Additionally, they will respond to incidents, perform root‑cause analyses, and implement solutions to prevent reoccurrences. The Senior SRE will work in close collaboration with other SRE team members, developers, testers, infrastructure engineers, DevOps engineers, and other stakeholders to integrate reliability and observability into the software development lifecycle.
Required Skills
US citizenship with ability to obtain Public Trust Suitability
6+ years of experience as a Site Reliability Engineer (SRE) or equivalent
6+ years of demonstrated experience designing, implementing, and maintaining observability solutions, including logging, monitoring, and alerting
6+ years of hands‑on experience with SRE tools (e.g., Elastic, Prometheus, Grafana, Splunk, etc.)
3+ years defining and measuring SLOs and SLIs
3+ years of relevant experience using cloud platforms (AWS GovCloud preferred)
3+ years of hands‑on programming or scripting (e.g., Python, Bash, etc.)
Strong knowledge of microservices, containerization, and orchestration tools (Docker, Kubernetes)
Proven ability to collaborate with cross‑functional teams to integrate reliability and observability into the software development lifecycle
Strong problem‑solving and analytical skills
Proactive, detail‑oriented approach to identifying inefficiencies and implementing improvements
Desired Skills
Bachelor's degree in Computer Science, Engineering, or a related field (or 4 additional years of related experience)
Experience working in an Agile/SAFe environment using ALM tools (Jira, Confluence, or similar)
Strong understanding of CI/CD principles and platforms (Jenkins, CircleCI, GitLab, GitHub Actions, Argo, Travis CI, etc.)
Expertise in configuration management tools (Ansible, Puppet, Chef)
Experience with infrastructure as code (Terraform, CloudFormation)
In‑depth understanding of networking, security, and system administration of Linux operating systems
Knowledge of version control platforms and branching strategies
Knowledge of disaster recovery planning, backup strategies, and data replication
Experience supporting large federal programs ($200M+)
Equal Opportunity Employer Apex Systems is an equal‑opportunity employer. We do not discriminate based on race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
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