Senior Systems Administrator

Mission Technologies, a division of HII

. Configure and maintain networked computer systems, including hardware, system software, and applications .

Posted 9/24/2026full-timeKeyport • Washington • United StatesSenior💰 $102,621 - $155,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in configuring and maintaining networked computer systems, ensuring data security, and providing technical support. Proficient in troubleshooting, technical analysis, and adhering to government Risk Management Framework standards.

Highest-signal resume keywords

10 Years Relevant ExperienceTS/SCI ClearanceMCSE CertificationCompTIA Security+ CertificationSQL Familiarity

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Network ConfigurationSystem MaintenanceTechnical SupportTroubleshootingData AnalysisServer-Side Technology AdministrationSystem Performance MonitoringDocumentationTechnical AnalysisPolicy Implementation

Soft Skills

Critical ThinkingProblem-SolvingProfessional DemeanorTime ManagementCommunication

Certifications & Qualifications

CompTIA A+ CertificationCompTIA Server+ CertificationCompTIA Network+ Certification

Industry Keywords

Risk Management FrameworkSCIFInformation SystemsInformation TechnologyData Security

Tech Stack

Tools & technologies

SQLTypeScript

About the role

Key responsibilities & impact

Configure and maintain networked computer systems, including hardware, system software, and applications
Ensure data is stored securely and backed up regularly
Diagnose and resolve hardware, software, networking, and system issues
Replace and upgrade defective or outdated components
Monitor system performance for smooth and secure operation
Research and recommend approaches to improve networked computer systems
Provide technical support when requested
Document processes employees must follow to work successfully within the computing system
Prepare reports, presentations, briefings, and customer communications regarding system status and updates
Support the mission in Keyport, Washington
Travel occasionally as needed

Requirements

What you’ll need

10 years relevant experience with Bachelor’s in related field; 8 years relevant experience with Master’s in related field; or High School Diploma or equivalent and 14 years relevant experience
TS/SCI clearance required
MCSE, CompTIA A+, CompTIA Security+, CompTIA Server+, and/or CompTIA Network+ certification or equivalent
Understanding of government Risk Management Framework standards
Relevant degree or diploma in Information Systems or Information Technology
Experience administering server-side technology and networked computing systems
Familiarity with SQL and database operations
Skilled and experienced in secure working environments, including SCIFs
Skilled in collecting, organizing, and analyzing data effectively, efficiently, and accurately
Skilled in technical analysis, design/re-design, and reporting
Skilled in troubleshooting and resolving trouble calls
Skilled in applying policies/procedures and interpreting/implementing technical requirements
Skilled in presenting formal training presentations and briefings
Ability to prioritize a wide range of workloads with critical deadlines
Availability outside working hours to resolve emergency issues promptly
Patient and professional demeanor
Excellent critical thinking and problem-solving skills

Benefits

Comp & perks

Best-in-class medical, dental and vision plan choices
Wellness resources
Employee assistance programs
Savings Plan Options (401(k))
Financial planning tools
Life insurance
Employee discounts
Paid holidays and paid time off
Tuition reimbursement
Early childhood and post-secondary education scholarships
Bonus/other non-recurrent compensation may occasionally be offered for qualified positions
Additional training as required