IT Systems Engineer – Senior

Washington, DC Until 8/21/2026 First posted April 24, 2026 Last posted April 24, 2026
Job description

**CONTINGENT UPON CONTRACT AWARD**

Overview:

Job Title: IT Systems Engineer – Senior

Location: Washington, DC

(Due to the nature of the work and contract requirements, U.S. Citizenship is required.)

 

Description:

C3EL is seeking a Senior IT Systems Engineer to support IT operations in Washington, DC. This role is responsible for the design, implementation, and maintenance of complex IT systems to ensure reliability, performance, and scalability. The selected candidate will provide technical leadership across system architecture, integration, and operational support.

Responsibilities will include, but not be limited to:

  • Design, implement, and maintain systems, including servers, virtualization, storage, and cloud environments.
  • Install, configure, and manage Windows and Linux operating systems.
  • Monitor system performance and troubleshoot hardware, software, and infrastructure issues.
  • Support system integration and ensure interoperability across platforms and applications.
  • Implement backup, recovery, and disaster recovery solutions.
  • Collaborate with engineering teams to ensure systems are secure and aligned with best practices.
  • Automate administrative tasks using scripting tools (e.g., PowerShell, Python, Bash).
  • Maintain system documentation, configurations, and standard operating procedures.
  • Provide technical guidance to junior team members.

 

Minimum Qualifications:

  • U.S. Citizenship.
  • Current DoD-8570 IAT Level 2 baseline certification (Security+ CE, or equivalent).
  • 8+ years of experience in systems engineering, IT infrastructure, or a related field.
  • Proficiency with Windows Server and/or Linux systems.
  • Experience with virtualization (e.g., VMware, Hyper-V) and/or cloud platforms (AWS, Azure, or similar).
  • Knowledge of storage solutions and backup/recovery processes.
  • Understanding of networking fundamentals (TCP/IP, DNS, DHCP).
  • Experience troubleshooting system and infrastructure issues.
  • Scripting experience (e.g., PowerShell, Python, Bash).
  • Strong communication and documentation skills.

 

Desired Qualifications:

  • Experience in large-scale enterprise environments.
  • Familiarity with automation/IaC tools (e.g., Terraform, Ansible).
  • Experience with containerization (Docker, Kubernetes).
  • Knowledge of system hardening and security best practices.
  • Relevant industry certifications.

 

Education:

  • Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or related field preferred, OR an Associate’s degree plus ten (10) years of recent specialized experience, OR 12 years of recent specialized experience.
About this role

Summary

Design, implement, and maintain complex IT systems, provide technical leadership, and support system security and performance.

Job title

IT Systems Engineer – Senior

Experience level

8+ years

Industry

information technology

Location requirements

Washington, DC; U.S. citizenship required; on-site preferred

Salary

Not specified

Management role

No

Skills & keywords

Required skills

Windows ServerLinuxvirtualizationcloud platformsstorage solutionsbackup and recoverynetworking fundamentalsscripting

Preferred skills

automationIaCDockerKubernetessecurity best practices

Specializations

systems engineeringIT infrastructurecloudvirtualization
Locations

Structured locations inferred from the posting.

Washington, DC, USA

On-site City