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General information

Requisition #
R62767
Locations
USA-MD-Annapolis Junction
Posting Date
08/19/2025
Security Clearance Required
TS/SCI
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Systems Engineer III to join our team in Annapolis Junction, Maryland.
 

ManTech is currently seeking Systems Engineer III to join our team at Annapolis Junction, MD.  We are seeking a Senior Systems Engineer who is a seasoned IT professional responsible for designing, implementing, and a top-level trouble shooter supporting a high-level architecture of an organization's backend infrastructure. You will communicate with other project personnel, Government stakeholders, and senior executives.
 

Responsibilities include but are not limited to:

  • Administer and maintain IT infrastructure by utilizing expert-level knowledge of the Linux operating system, along with deep expertise in server administration, virtualization, and cloud platforms like AWS or Azure, to manage the organization's backend systems.
  • Develop and implement automation solutions through creating scalable automation services using strong scripting and orchestration skills, with proficiency in tools like Python, Bash, and Ansible.
  • Design and manage system architecture by applying systems engineering principles to design, implement, and manage the high-level architecture of the organization's backend infrastructure.
  • Ensure network and system security through a strong understanding of networking and security fundamentals, including TCP/IP, firewalls, and VPNs, to protect the organization's infrastructure.
  • Communicate with stakeholders - Interact directly with government personnel, senior executives, and other project members to discuss technical issues and project status.
  • Provide technical guidance and troubleshooting as a top-level troubleshooter, addressing technical considerations, problems, and issues for both internal teams and government stakeholders.

Minimum Qualifications:

  • Bachelor's degree in STEM field or Highschool and 13 years of experience; Associates and 11 years of experience in lieu of degree, a candidate holding a relevant master’s degree may be granted 2 years’ experience credit for that extra education, a candidate holding a relevant PhD degree may be granted 4 years’ experience credit for that extra education.
  • 5 years of position-relevant work experience.
  • DoD 8570.01-m IAT Level II.
  • Strong proficiency in scripting and automation, with hands-on experience in Python, Bash, and an infrastructure orchestration tool like Ansible.
  • Experience in front-end web development to create internal tools and solutions.
  •  Proven background as an Orchestration Engineer or in a similar role focused on building scalable automation services.
  • Solid grasp of TCP/IP networking, firewalls, VLANs, and VPNs.
  • Expert-level knowledge of the Linux operating system.

Preferred Qualifications:

  • Experience with full-stack development, including creating and interacting with databases and APIs.
  • Knowledge of Infrastructure as Code (IaC) principles, preferably with experience using Terraform.
  • Familiarity with public cloud platforms (AWS, Azure, GCP) and container technologies (Docker, Kubernetes).
  • Proficiency with virtualization platforms such as VMware vSphere or Microsoft Hyper-V.
  • Exceptional troubleshooting and problem-solving skills, with a talent for systematically diagnosing and resolving complex technical issues.
  • A foundational understanding of traditional Systems Administration principles
     

Clearance Requirements:

  •  TS/SCI
     

Physical Requirements:

  • The person in this position must have the ability to perform tasks while stationary 50% of the time at a computer, with specific emphasis on visual acuity for close-range work.  Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations

The projected compensation range for this position is $105,800.00-$175,900.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.