Senior Systems Engineer

ManTech; Chantilly (VA); Sur place; USD 110 000 - 165 000; Plein temps

Résumé du poste

ManTech in Chantilly, VA seeks a Senior Systems Engineer to deliver Tier III Linux/RHEL system support onsite for customer environments. The role emphasizes reliable, secure infrastructure, project leadership, and SOP development.

You will work with Active Directory, DNS, DHCP, upgrades, and ITIL processes while contributing to incident resolution and change management. A current Top Secret clearance or eligibility is required.

Qualifications

• Bachelor’s degree with 5+ years of Linux/RHEL exp. or equivalent
• CLI experience in Linux/RHEL server environments
• Experience with Active Directory, DNS, and DHCP

Responsabilités

• Provide Tier III IT Systems support for Linux/RHEL server environments
• Install, configure, maintain, and optimize Linux/RHEL environments
• Diagnose and resolve performance, security, and technical challenges
• Monitor performance, capacity, and backups; perform test restores and updates
• Lead development and documentation of system processes; train team members
• Write SOPs for repeatable tasks
• Participate in ITIL lifecycle processes including Change Requests
• Contribute to planning and lead Linux/RHEL engineering projects

Connaissances

Linux

RHEL

Active Directory

DNS

DHCP

Scripting (Bash)

Python

ITIL

ServiceNow

SecurityX / CASP+

IAT Level III/DoD 8140

Formation

Bachelor’s degree

Associates degree with 8+ years experience

High School Diploma with 11+ years experience

Outils

Ansible

TrackIT

ServiceNow

Description du poste

MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in Chantilly, VA. The position is onsite.

Responsibilities include but are not limited to:

• Provide Tier III IT Systems support for customer Linux or Red Hat Enterprise Linux (RHEL) server environments
• Install, configure, maintain, and optimize Linux and RHEL Server environments to ensure reliable and secure infrastructure
• Diagnose and resolve the performance, security, and/or technical challenges related to the platforms listed above
• Monitor performance, capacity, and backups; perform test restores and implement system updates, patches, and improvements
• Investigating and resolving operational problems in conjunction with other engineering and technical personnel
• Lead the development and documentation of system processes and train team members to ensure operational consistency and knowledge transfer
• Writing Standard Operating Procedures (SOPs) to accomplish repeatable tasks
• Working on project teams responsible for engineering and packaging releases to integrate within the customer’s production IT environment
• Contribute to strategic planning, solve complex technical problems, and lead Linux and RHEL engineering projects or functional teams when required
• Participating in processes throughout all phases of the ITIL Service Lifecycle, including submitting Change Requests
• Performing requirements analysis, requirements gathering, and integration for all platforms listed above
• Willingness to occasionally work after normal duty hours (nights and weekends) to support system maintenance or service outages

Minimum Qualifications:

• Bachelor’s degree with 5+ years of relevant Linux or RHEL experience, an Associates degree with 8+ years of experience, or a High School Diploma with an 11+ years of experience may be substituted for a Bachelor's degree
• Hands-on experience or knowledge with configuration and implementation at command-line interface, of Linux or RHEL Server technologies within an on-premise infrastructure
• Experience with Active Directory, Domain Name System (DNS), and Dynamic Host Configuration Protocol (DHCP)
• Experience performing Linux and RHEL server upgrades, migrations, and deployments
• IAT Level III/DoD 8140 Advanced certification, e.g., SecurityX or CASP+ within 6 months of hire
• DoD 8570 Computing Environment certification within 6 months of hire

Preferred Qualifications:

• Red Hat Certified System Administrator (RHCSA) certification
• Experience with scripting languages such as Bash, Python, or Perl to automate system tasks
• Familiarity with configuration management tools like Ansible to maintain system baselines
• ITIL v.3 Foundations or later certification highly desired
• Experience using a Service Desk ticketing system, such as TrackIT or ServiceNow
• Previous customer service experience strongly desired

Clearance Requirements:

• Must have a current and active Top Secret clearance, and be willing and able to obtain a CI polygraph

Physical Requirements:

• The person in this position must be able to remain in a stationary position 50% of the time
• 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

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 [e-mail] and provide your name and contact information.