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HomeCompaniesSosi1HR Administrator

HR Administrator

Sosi1 · Reston, VA, United States · Hybrid · Active · SmartRecruiters

Job facts

FieldValue
CompanySosi1
TitleHR Administrator
Normalized title-
Department / teamHuman Resources
LocationReston, VA, United States
Work modelHybrid / Hybrid
Employment typeFull Time
Salary-
Statusactive
ATS providerSmartRecruiters
Posted / first seen2026-06-02 / 2026-06-03
Changed / last seen2026-06-03 / 2026-06-23

Related slices

PageWhat it containsOpen
Company jobsActive postings from Sosi1.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through SmartRecruiters.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in Reston.Open
Department jobsActive postings in Human Resources.Open
Work model jobsActive Hybrid postings.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanySosi1
Source034d3260-e727-4450-bb59-4990471b7cb8
ATS providerSmartRecruiters

Description

Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. Ready to be the heartbeat of an HR team that moves fast, cares deeply, and makes a real difference for every employee — from day one? At SOSi, our people are our mission. As our HR Administrator, you'll shape how every new hire experiences joining this company, champion the programs that keep our team engaged and recognized and be the trusted go-to resource employees turn to when it matters most. We're a team that embraces smarter ways of working: we expect you to bring curiosity and confidence in applying AI tools to streamline the manual, repetitive work that has historically defined HR administration — so you can spend more of your energy on the human side of HR. If you're organized, energized by variety, love being the person who makes things happen, and are excited about working at the intersection of people and technology, this role was built for you. What you'll do Hit the ground running managing our full recruiting administration — posting and monitoring requisitions in the ATS, generating offer letters, and owning pre-employment documentation with precision. You'll leverage AI-assisted tools to accelerate drafting, tracking, and reporting across these workflows, cutting cycle times without sacrificing accuracy. You'll be the architect of an onboarding experience that sets new hires up for success: guiding employees through the SOSi SPARK program, leading orientation sessions and making sure every piece of compliance documentation — including I-9 and E-Verify — is buttoned up. Beyond onboarding, you'll keep the engine running across a wide range of HR operations — and you'll look for every opportunity to make those operations faster and more consistent through intelligent automation: Maintain accurate employee data and personnel files in HR systems, applying AI-driven auditing and data hygiene practices to reduce manual error. Manage the HR inbox, incoming mail, employment verifications, and unemployment claims — using smart triage and templating tools to handle volume efficiently. Process purchasing requests. Actively participate in HR led employee communication efforts in SOSi Scope reports, and oversee HR content on SOSi Connect. Support our Total Rewards team through compensation actions, track performance dates, and create job codes in UKG. Assist with Defense Base Act claims administration. Oversee various areas supporting Talent Development such as our SOSi Education Reimbursement program. You'll also play a visible, high-impact role in our people culture — bringing employee recognition programs to life, including the SOSi High Five Awards, coordinating the global engagement initiatives defined in SOSi IGNITE, and being the kind of HR professional employees genuinely trust working with. What you bring Two+ years in an HR coordination or administrative role. Demonstrated ability to apply AI tools (such as Microsoft Copilot, ChatGPT, or similar) to automate routine tasks, synthesize information, and improve process efficiency. Sharp attention to detail and sound, independent judgment. Enthusiasm, drive, and energy for growth. Excellent written and verbal communication skills. Proven ability to manage competing deadlines in a fast-paced environment. Proficiency in Microsoft Office Suite. Absolute discretion with sensitive and confidential information. Experience with HR or talent management platforms. Background supporting government, defense, or large-scale service contracts. The environment This is a fast-paced, dynamic office where no two days look the same — and where a willingness to continuously improve how work gets done is just as valued as getting it done. Hybrid work schedule with 2 days in office and 3 days of remote work. Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason.

Full job record

Job ID7504a51c01793d9dda189a4c69276809884945fc
Org ID5a59924f-82b0-46db-a713-0bb2cbbe3d35
Source ID034d3260-e727-4450-bb59-4990471b7cb8
Board ID034d3260-e727-4450-bb59-4990471b7cb8
Providersmartrecruiters
Provider Job Key3743990013432985
TitleHR Administrator
Normalized Title
Statusactive
Activeyes
Location TextReston, VA, United States
DepartmentHuman Resources
Team
Employment Typefull_time
Workplace Typehybrid
Remote Policyhybrid
CountryUnited States
RegionVA
CityReston
Salary RawFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. Ready to be the heartbeat of an HR team that moves fast, cares deeply, and makes a real difference for every employee — from day one? At SOSi, our people are our mission. As our HR Administrator, you'll shape how every new hire experiences joining this company, champion the programs that keep our team engaged and recognized and be the trusted go-to resource employees turn to when it matters most. We're a team that embraces smarter ways of working: we expect you to bring curiosity and confidence in applying AI tools to streamline the manual, repetitive work that has historically defined HR administration — so you can spend more of your energy on the human side of HR. If you're organized, energized by variety, love being the person who makes things happen, and are excited about working at the intersection of people and technology, this role was built for you. What you'll do Hit the ground running managing our full recruiting administration — posting and monitoring requisitions in the ATS, generating offer letters, and owning pre-employment documentation with precision. You'll leverage AI-assisted tools to accelerate drafting, tracking, and reporting across these workflows, cutting cycle times without sacrificing accuracy. You'll be the architect of an onboarding experience that sets new hires up for success: guiding employees through the SOSi SPARK program, leading orientation sessions and making sure every piece of compliance documentation — including I-9 and E-Verify — is buttoned up. Beyond onboarding, you'll keep the engine running across a wide range of HR operations — and you'll look for every opportunity to make those operations faster and more consistent through intelligent automation: Maintain accurate employee data and personnel files in HR systems, applying AI-driven auditing and data hygiene practices to reduce manual error. Manage the HR inbox, incoming mail, employment verifications, and unemployment claims — using smart triage and templating tools to handle volume efficiently. Process purchasing requests. Actively participate in HR led employee communication efforts in SOSi Scope reports, and oversee HR content on SOSi Connect. Support our Total Rewards team through compensation actions, track performance dates, and create job codes in UKG. Assist with Defense Base Act claims administration. Oversee various areas supporting Talent Development such as our SOSi Education Reimbursement program. You'll also play a visible, high-impact role in our people culture — bringing employee recognition programs to life, including the SOSi High Five Awards, coordinating the global engagement initiatives defined in SOSi IGNITE, and being the kind of HR professional employees genuinely trust working with. What you bring Two+ years in an HR coordination or administrative role. Demonstrated ability to apply AI tools (such as Microsoft Copilot, ChatGPT, or similar) to automate routine tasks, synthesize information, and improve process efficiency. Sharp attention to detail and sound, independent judgment. Enthusiasm, drive, and energy for growth. Excellent written and verbal communication skills. Proven ability to manage competing deadlines in a fast-paced environment. Proficiency in Microsoft Office Suite. Absolute discretion with sensitive and confidential information. Experience with HR or talent management platforms. Background supporting government, defense, or large-scale service contracts. The environment This is a fast-paced, dynamic office where no two days look the same — and where a willingness to continuously improve how work gets done is just as valued as getting it done. Hybrid work schedule with 2 days in office and 3 days of remote work. Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason.
Salary Min
Salary Max
Salary Currency
Salary Periodhour
Source URLhttps://jobs.smartrecruiters.com/SOSi1/3743990013432985-hr-administrator
Apply URLhttps://jobs.smartrecruiters.com/SOSi1/3743990013432985-hr-administrator?oga=true
First Seen At2026-06-03 10:42:18Z
Last Seen At2026-06-23 10:46:13Z
Last Checked At2026-06-23 10:46:13Z
Last Changed At2026-06-03 10:42:18Z
Inactive At
Source Posted At2026-06-02 20:10:34Z
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=smartrecruiters/board=sosi1/date=2026-06-23/2026-06-23T10-46-05-342Z-e2535d1d6bd8bdcb9a6fdef8494ac5d5392024cac69c3be0bcc72a4cf7d98f86.json
Event Fields
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Parsed Structured
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  "salary_period": "hour",
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  "salary_currency": null
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Extensions
{}
Native Structured
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