Posted today
Top Secret/SCI
Mid Level Career (5+ yrs experience)
Unspecified
Occasional travel
CI Polygraph
Aerospace and Aviation
Dulles, VA (On-Site/Office)
Senior Platform Engineer (Linux Infrastructure)
Location: Dulles, VA (On-site; SCIF environment)
Compensation: Up to $230,000 (commensurate with experience)
Clearance Requirement: Active TS/SCI with CI Poly (Day 1)
Citizenship: U.S. Citizenship required
Travel: Up to 10% (as needed)
On-Call: Occasional off-hours/on-call support required
Role Overview
We are seeking a Senior Platform Engineer with deep Linux infrastructure and operational support expertise to support mission-critical systems at a secure customer site near Dulles, Virginia. This role is responsible for maintaining and operating the foundational hardware, software, networking, storage, and virtualization components that ensure system reliability, scalability, and security.
The Senior Platform Engineer supports Echelon 1 (E1) operational activities and plays a critical role in system sustainment, patching, baseline deployments, troubleshooting, and enterprise integration efforts within a highly secure environment.
Key Responsibilities
• Maintain, operate, and troubleshoot Linux-based infrastructure supporting mission systems.
• Support physical servers, virtualization platforms, networking, storage, and limited cloud environments.
• Perform Echelon 1 (E1) operational support activities to ensure systems meet mission requirements.
• Deploy Operations & Maintenance (O&M) patches and system baseline updates, including operating systems, software, network configurations, and storage configurations.
• Support enterprise-level system integration efforts.
• Document defects and issues in customer and program defect tracking systems.
• Participate in technical interchange meetings with system operators, enterprise partners, and program stakeholders.
• Travel to customer sites or factory locations to support system deliveries, updates, and troubleshooting as required.
• Participate in an on-call rotation to provide occasional off-hours support.
Required Qualifications
• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM), including Computer Science, Computer Engineering, Information Technology, or Physics.
• Minimum 5 years of relevant platform or infrastructure engineering experience.
• Strong experience with Linux system administration (RHEL or Oracle Linux preferred).
• Experience with VMware virtualization technologies, including vCenter and ESXi.
• Experience administering LDAP, including user and group management.
• Demonstrated experience supporting production or mission-critical operational environments.
• Active TS/SCI with CI Poly security clearance required on day one.
• U.S. citizenship required due to security clearance eligibility.
Preferred Qualifications
• Bash scripting experience.
• Hardware maintenance and troubleshooting experience, including FRU replacement.
• Experience with out-of-band management tools (e.g., iDRAC, terminal server concentrators).
• Experience with Dell and Cisco hardware platforms.
• Experience with:
◦ NTP (Network Time Protocol)
◦ DNS administration
◦ NFS administration
◦ SAN and NAS storage environments
• Networking administration experience, including LAN and firewall configurations (Cisco preferred).
• Familiarity with monitoring tools such as Nagios.
• General experience supporting Microsoft Windows operating systems.
• Prior experience working in a SCIF or other highly secure environments.
Work Environment
• Fully on-site role in a Secure Compartmented Information Facility (SCIF)
• Mission-focused, high-availability operational environment
• Collaboration with cross-disciplinary engineering and operations teams
• Occasional travel and off-hours support to meet mission needs
Shortened LinkedIn / Indeed Job Posting
Senior Platform Engineer (Linux Infrastructure)
📍 Dulles, VA | 💰 Up to $230K | 🔐 TS/SCI with CI Poly Required (Day 1)
We are seeking a Senior Platform Engineer with strong Linux infrastructure expertise to support mission-critical operations at a secure customer site near Dulles, VA. This role focuses on operating and maintaining the core hardware, software, and network platforms that enable reliable, scalable, and secure mission systems.
Responsibilities
• Maintain and troubleshoot Linux-based infrastructure supporting Echelon 1 (E1) mission systems
• Support physical servers, virtualization, storage, networking, and cloud environments
• Deploy O&M patches, baseline updates, and system configurations
• Participate in enterprise integration efforts and technical interchange meetings
• Provide limited on-call and off-hours support as part of a rotation
Requirements
• BS/BA in STEM field + 5+ years of infrastructure engineering experience
• Linux system administration (RHEL / Oracle Linux preferred)
• VMware vCenter and ESXi experience
• LDAP administration experience
• Active TS/SCI with CI Poly (day one) and U.S. citizenship
Preferred
• Bash scripting and hardware troubleshooting
• Dell and Cisco infrastructure
• Networking, storage (SAN/NAS), and monitoring tools
• SCIF-based operational experience
Recruiter Screening Checklist (Internal Use)
Clearance & Eligibility
• ☐ Active TS/SCI with CI Poly (issued, day one)
• ☐ U.S. Citizen
Core Technical Fit
• ☐ 5+ years platform / infrastructure engineering experience
• ☐ Linux administration (RHEL / OL)
• ☐ VMware (vCenter, ESXi)
• ☐ LDAP user/group administration
• ☐ Experience supporting production / Echelon 1 systems
Infrastructure Coverage
• ☐ Physical server support & troubleshooting
• ☐ Virtualization and storage environments
• ☐ Networking fundamentals (LAN, firewalls)
• ☐ Patch management and baseline deployments
Operational Readiness
• ☐ Willing to work on-site in SCIF environment
• ☐ Comfortable with call-in rotation / off-hours support
• ☐ Willing to travel up to ~10%
Preferred / Value-Add
• ☐ Bash scripting
• ☐ Dell / Cisco hardware
• ☐ iDRAC or out-of-band management
• ☐ NTP, DNS, NFS experience
• ☐ SAN / NAS administration
• ☐ Nagios or similar monitoring tools
• ☐ Windows OS familiarity
Interview Question Themes (Hiring Manager–Aligned)
Linux & Platform Operations
• Describe the Linux environments you have supported in mission-critical or production systems.
• How do you approach patching and baseline updates without disrupting operations?
Infrastructure & Virtualization
• Walk me through how you manage and troubleshoot VMware-based environments.
• How do you handle capacity planning and performance issues in virtualized systems?
Hardware & Troubleshooting
• Describe a time you had to troubleshoot a failing server or hardware component under time pressure.
• What is your experience with FRU replacement and out-of-band management tools?
Networking & Storage
• What level of responsibility have you had with networking and firewall configuration?
• Describe your experience administering SAN, NAS, or NFS-based storage.
Operational Support & Security
• How do you prioritize incidents in an Echelon 1 or mission operations environment?
• What is your experience working in a SCIF or similarly secure facility?
Location: Dulles, VA (On-site; SCIF environment)
Compensation: Up to $230,000 (commensurate with experience)
Clearance Requirement: Active TS/SCI with CI Poly (Day 1)
Citizenship: U.S. Citizenship required
Travel: Up to 10% (as needed)
On-Call: Occasional off-hours/on-call support required
Role Overview
We are seeking a Senior Platform Engineer with deep Linux infrastructure and operational support expertise to support mission-critical systems at a secure customer site near Dulles, Virginia. This role is responsible for maintaining and operating the foundational hardware, software, networking, storage, and virtualization components that ensure system reliability, scalability, and security.
The Senior Platform Engineer supports Echelon 1 (E1) operational activities and plays a critical role in system sustainment, patching, baseline deployments, troubleshooting, and enterprise integration efforts within a highly secure environment.
Key Responsibilities
• Maintain, operate, and troubleshoot Linux-based infrastructure supporting mission systems.
• Support physical servers, virtualization platforms, networking, storage, and limited cloud environments.
• Perform Echelon 1 (E1) operational support activities to ensure systems meet mission requirements.
• Deploy Operations & Maintenance (O&M) patches and system baseline updates, including operating systems, software, network configurations, and storage configurations.
• Support enterprise-level system integration efforts.
• Document defects and issues in customer and program defect tracking systems.
• Participate in technical interchange meetings with system operators, enterprise partners, and program stakeholders.
• Travel to customer sites or factory locations to support system deliveries, updates, and troubleshooting as required.
• Participate in an on-call rotation to provide occasional off-hours support.
Required Qualifications
• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM), including Computer Science, Computer Engineering, Information Technology, or Physics.
• Minimum 5 years of relevant platform or infrastructure engineering experience.
• Strong experience with Linux system administration (RHEL or Oracle Linux preferred).
• Experience with VMware virtualization technologies, including vCenter and ESXi.
• Experience administering LDAP, including user and group management.
• Demonstrated experience supporting production or mission-critical operational environments.
• Active TS/SCI with CI Poly security clearance required on day one.
• U.S. citizenship required due to security clearance eligibility.
Preferred Qualifications
• Bash scripting experience.
• Hardware maintenance and troubleshooting experience, including FRU replacement.
• Experience with out-of-band management tools (e.g., iDRAC, terminal server concentrators).
• Experience with Dell and Cisco hardware platforms.
• Experience with:
◦ NTP (Network Time Protocol)
◦ DNS administration
◦ NFS administration
◦ SAN and NAS storage environments
• Networking administration experience, including LAN and firewall configurations (Cisco preferred).
• Familiarity with monitoring tools such as Nagios.
• General experience supporting Microsoft Windows operating systems.
• Prior experience working in a SCIF or other highly secure environments.
Work Environment
• Fully on-site role in a Secure Compartmented Information Facility (SCIF)
• Mission-focused, high-availability operational environment
• Collaboration with cross-disciplinary engineering and operations teams
• Occasional travel and off-hours support to meet mission needs
Shortened LinkedIn / Indeed Job Posting
Senior Platform Engineer (Linux Infrastructure)
📍 Dulles, VA | 💰 Up to $230K | 🔐 TS/SCI with CI Poly Required (Day 1)
We are seeking a Senior Platform Engineer with strong Linux infrastructure expertise to support mission-critical operations at a secure customer site near Dulles, VA. This role focuses on operating and maintaining the core hardware, software, and network platforms that enable reliable, scalable, and secure mission systems.
Responsibilities
• Maintain and troubleshoot Linux-based infrastructure supporting Echelon 1 (E1) mission systems
• Support physical servers, virtualization, storage, networking, and cloud environments
• Deploy O&M patches, baseline updates, and system configurations
• Participate in enterprise integration efforts and technical interchange meetings
• Provide limited on-call and off-hours support as part of a rotation
Requirements
• BS/BA in STEM field + 5+ years of infrastructure engineering experience
• Linux system administration (RHEL / Oracle Linux preferred)
• VMware vCenter and ESXi experience
• LDAP administration experience
• Active TS/SCI with CI Poly (day one) and U.S. citizenship
Preferred
• Bash scripting and hardware troubleshooting
• Dell and Cisco infrastructure
• Networking, storage (SAN/NAS), and monitoring tools
• SCIF-based operational experience
Recruiter Screening Checklist (Internal Use)
Clearance & Eligibility
• ☐ Active TS/SCI with CI Poly (issued, day one)
• ☐ U.S. Citizen
Core Technical Fit
• ☐ 5+ years platform / infrastructure engineering experience
• ☐ Linux administration (RHEL / OL)
• ☐ VMware (vCenter, ESXi)
• ☐ LDAP user/group administration
• ☐ Experience supporting production / Echelon 1 systems
Infrastructure Coverage
• ☐ Physical server support & troubleshooting
• ☐ Virtualization and storage environments
• ☐ Networking fundamentals (LAN, firewalls)
• ☐ Patch management and baseline deployments
Operational Readiness
• ☐ Willing to work on-site in SCIF environment
• ☐ Comfortable with call-in rotation / off-hours support
• ☐ Willing to travel up to ~10%
Preferred / Value-Add
• ☐ Bash scripting
• ☐ Dell / Cisco hardware
• ☐ iDRAC or out-of-band management
• ☐ NTP, DNS, NFS experience
• ☐ SAN / NAS administration
• ☐ Nagios or similar monitoring tools
• ☐ Windows OS familiarity
Interview Question Themes (Hiring Manager–Aligned)
Linux & Platform Operations
• Describe the Linux environments you have supported in mission-critical or production systems.
• How do you approach patching and baseline updates without disrupting operations?
Infrastructure & Virtualization
• Walk me through how you manage and troubleshoot VMware-based environments.
• How do you handle capacity planning and performance issues in virtualized systems?
Hardware & Troubleshooting
• Describe a time you had to troubleshoot a failing server or hardware component under time pressure.
• What is your experience with FRU replacement and out-of-band management tools?
Networking & Storage
• What level of responsibility have you had with networking and firewall configuration?
• Describe your experience administering SAN, NAS, or NFS-based storage.
Operational Support & Security
• How do you prioritize incidents in an Echelon 1 or mission operations environment?
• What is your experience working in a SCIF or similarly secure facility?
group id: 90958147
