Senior Reliability Engineer
- Level
- Senior
Not stated in the posting: salary, work type, visa.
Open. First seen 2 October 2026.
About the role
Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than 17 years of support to stakeholders across the federal government, with established and growing capabilities across Intelligence, Analytics, Engineering, Mission Support, and Communications disciplines. Founded in 2008, our mission is to transform the way our customers approach constantly changing and complex problem sets by bringing to bear the latest in technology and the highest caliber of talent.
Barbaricum's standard text
Headquartered in Washington, DC's historic Dupont Circle neighborhood, Barbaricum also has a corporate presence in Tampa, FL, Bedford, IN, and Dayton, OH, with team members across the United States and around the world. As a leader in our space, we partner with firms in the private sector, academic institutions, and industry associations with a goal of continually building our expertise and capabilities for the benefit of our employees and the customers we support. Through all of this, we have built a vibrant corporate culture diverse in expertise and perspectives with a focus on collaboration and innovation.
Our teams are at the frontier of the Nation's most complex and rewarding challenges. Join our team.
Barbaricum is seeking an experienced Senior Site Reliability Engineer to support the reliability, availability, automation, and operational performance of IT and cloud systems under the Military Community and Family Policy (MC&FP) Outreach and Digital Enterprise Services (MODES) contract. You will help ensure MC&FP systems are reliable, scalable, resilient, and efficiently managed through proactive monitoring, automated incident response, performance optimization, and operational dashboards that support rapid decision-making
Responsibilities:
- Monitor and maintain system reliability, availability, and performance across on-premises, cloud, and hybrid IT environments supporting MC&FP mission requirements.
- Implement proactive performance monitoring, automated alerting, incident response workflows, and resilience engineering practices to reduce downtime and improve operational visibility.
- Develop, maintain, and improve scalable automated infrastructure solutions that support reliable system operations and repeatable service delivery.
- Implement rollback strategies, recovery approaches, and chaos engineering practices to validate resilience, reduce operational risk, and improve system stability.
- Analyze usage patterns, capacity trends, and performance indicators to support dynamic scaling, resource optimization, and system improvement decisions.
- Develop and maintain real-time operational dashboards, reports, and metrics that enable rapid decision-making, leadership awareness, and system optimization.
- Respond to and resolve system outages, impairments, and service disruptions while coordinating with technical teams to minimize mission impact.
- Conduct post-incident reviews to identify root causes, document lessons learned, and implement preventative measures that reduce recurrence.
- Collaborate with software developers, cloud engineers, cybersecurity personnel, and operations teams to improve services, reliability patterns, deployment practices, and operational standards.
- Create and maintain system documentation, configuration standards, operational runbooks, monitoring procedures, and service reliability guidance.
- Automate common operations tasks to reduce manual workloads, improve consistency, and increase system efficiency.
- Implement security best practices across operational activities, infrastructure automation, monitoring, incident response, and system administration functions.
Required Skills:
- Expert knowledge of site reliability engineering practices, system monitoring, incident management, automation, performance tuning, and operational resilience.
- Strong understanding of Windows and Linux administration, infrastructure operations, system configuration, service management, and troubleshooting practices.
- Experience with automation platforms and configuration management tools such as Ansible, Puppet, Chef, or similar technologies.
- Proficiency with scripting languages such as Python, Shell, PowerShell, or similar tools used to automate operational and infrastructure tasks.
- Knowledge of cloud services and infrastructure across AWS, Microsoft Azure, Google Cloud, or comparable cloud environments.
- Strong understanding of network troubleshooting, configuration, connectivity analysis, system dependencies, and performance bottleneck identification.
- Ability to design, interpret, and maintain dashboards, alerts, metrics, logs, and operational reporting that support service health and decision-making.
- Ability to conduct root cause analysis, post-incident reviews, and corrective action planning in complex technical environments.
- Strong problem-solving skills and the ability to work under pressure during outages, impairments, and time-sensitive operational issues.
- Excellent written and verbal communication skills, with the ability to explain technical findings, incident impacts, and reliability recommendations to technical and non-technical stakeholders.
Required Qualifications:
- Bachelor's degree in Computer Science, Information Technology, Systems Engineering, Cybersecurity, or a related field; Master's degree preferred.
- Certifications related to cloud computing, system administration, site reliability engineering, DevSecOps, or automation are beneficial.
- 10+ years of experience in site reliability engineering, systems administration, infrastructure operations, cloud operations, DevSecOps, or a similar technical role, particularly in a government, federal, defense, or secure IT setting.
- Demonstrated experience maintaining reliable, scalable, and efficiently managed IT systems across on-premises, cloud, or hybrid environments.
- Experience developing automated infrastructure, operational scripts, monitoring solutions, dashboards, runbooks, and configuration standards.
- Experience supporting incident response, system outage resolution, post-incident reviews, root cause analysis, and operational improvement initiatives.
- Experience collaborating with development, infrastructure, cloud, cybersecurity, and program teams to improve reliability, security, and service performance.
- DoD Secret Security Clearance.
EEO Commitment
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.
What this role asks for
Standard for software engineering roles
Python
Common in software engineering postings at any company.
87% of this description is written for the role. The rest is Barbaricum's standard text, folded away below.
Read against Barbaricum's other open postings on this site.
The team: Mission Support
This role is one of 57 open in Mission Support.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Cybersecurity (26 of 57), Linux (10 of 57), Embedded Systems (6 of 57), Python (6 of 57), VMware (6 of 57), Networking (5 of 57), Ansible (4 of 57)
OTHER ROLES ON THIS TEAM
- Pre-Award: MXM- Information System Security Manager III posted Sep 8
- Pre-Award: MXM- Information System Security Specialist posted Sep 3
- Pre-Award: MXM- Software Engineer III posted Sep 1
- Pre-Award: MXM- Radio Frequency Engineer III posted Sep 1
- Pre-Award: MXM- Model Based Systems Engineer III posted Sep 1
- Pre-Award: MXM- Model Based Systems Engineer II posted Sep 1
- Pre-Award: MXM- Data Scientist III posted Sep 1
- Pre-Award: MXM- Electrical / Electronics Engineer IV posted Sep 1
- Pre-Award: MXM- Electrical / Electronics Engineer III posted Sep 1
- Pre-Award: MXM- Model Based Systems Engineer III posted Aug 25
- Pre-Award: MXM- Systems Engineer III posted Aug 25
- Pre-Award: MXM- System Administrator IV posted Aug 25
- Pre-Award: MXM- Electrical / Electronics Engineer IV posted Aug 25
- Pre-Award: MXM- Computer Engineer IV posted Aug 25
- Pre Award: CPE ST3- Agile Program Manager- Orlando, FL posted Aug 11
- NSWC- Senior AI/ML Engineer (Computer Engineer IV)- Bedford, IN posted Aug 6
- CETS: Engineer III (Network IT, IA/Cyber Support) posted Jul 29
- CETS: Database Specialist/Admin Lead I (Program Management Portal) posted Jul 29
- CETS: Technical Writer posted Jul 21
- CETS: Engineer, General III posted Jul 21
- Pre Award: USAF MA- Senior Data Science Consultant - Pentagon, VA posted Jul 14
- Pre Award: USAF MA- Journeyman Data Analyst- Pentagon, VA posted Jul 14
- Pre Award: USAF MA- Journeyman Data Manager- Pentagon, VA posted Jul 14
- MXPN- Hybrid- Computer Engineer IV (UI/UX SME)- Remote posted Jul 13
- USAF MA- Mission Analyst- Pentagon, VA posted Jul 13
- CETS: Operations Research Systems Analysis Tech Advisor posted Jul 8
- CETS: Operations Research Systems Analysis (ORSA) Tech (SME) posted Jun 25
- Cyber Training Specialist - II (Training and Development Manager) posted May 29
- Computer Systems Analyst OT - I1 (Computer Systems Analyst) posted May 29
- Computer Systems Analyst IT - I (Computer Systems Analyst) posted May 29
- Computer Systems Analyst - I (Computer Systems Analyst) posted May 29
- Information Assurance Specialist - I (Information Security Analyst) posted May 29
- Information Technology Technician - I (Computer Network Support Specialists) posted May 29
- Computer Systems Administrator - I (Network and Computer Systems Administrators) posted May 29
- Network Manager - II (Network and Computer Systems Administrators) posted May 29
- Electronic Warfare Technician - II (Electronics Engineers, Except Computer) posted May 29
- Computer Systems Engineer - I (Computer Network Architect) posted May 29
- Computer Hardware Engineer - II (Computer Hardware Engineer) posted May 29
- Information Assurance Specialist - III (Information Security Analyst) posted May 29
- Multidomain Operations Manager (Project Management Specialist) Project Manager - II posted May 29
- Lead Cyber Range Architect - II (Computer Network Architect) posted May 29
- Financial Systems Analyst II (Program Analyst) posted Apr 15
- Financial Systems Analyst II (Budget Analyst) posted Apr 15
- Senior Systems Administrator posted Mar 18
- Radio Frequency Engineer II posted Mar 11
- Senior Network Engineer III posted Mar 11
- Cyber SME/Cyber Architect posted Mar 11
- AFSIM Simulation Engineer posted Feb 9
- MBSE Engineer – Mission Engineering posted Feb 9
- Junior Intelligence Analyst posted Feb 5
- Senior Design Experience Lead posted Nov 5
- Journeyman Intelligence Analyst posted Jul 25
- Program Manager – Navy Maintenance & Cyber Integration posted Apr 8
- Test Coordinator posted Feb 6
- Senior Test Coordinator posted Feb 5
- Systems Engineer posted Jan 28
From the team and dates on Barbaricum's own job board.
Salary context
6 other open postings titled Senior Reliability Engineer state a salary: median USD 151,200 to USD 205,500 a year.
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