Senior System Administrator/ Developer (DISA)

Posted 2 Days Ago
Be an Early Applicant
Hiring Remotely in USA
Remote
Senior level
Information Technology • Security • Business Intelligence • Consulting
The Role
Administer and secure IDEAS across development, staging, and production environments. Responsibilities include managing RHEL and application platforms, patching, system builds, access controls, certificates, log analysis, security remediation, change control, documentation, and Authority to Operate support. The role serves as key personnel and alternate ISSO, coordinating with database, security, DISA, and hosting teams.
Summary Generated by Built In
Senior System Administrator/Developer

Location:  Remote, USA 

Type --- Future Opportunities -- Proposal

Security Clearance: Must possess an active Secret Clearance.

_______________________________________________________________

Who we are:

Horizon Industries Limited (Horizon) is a dynamic IT and Management Consulting firm based in the Washington, DC area. Founded in 1996, Horizon Industries Limited (Horizon) has evolved into a company of highly qualified professionals that provides full-cycle IT Consultant and Management support in both the private and public sectors.

Horizon’s culture is based on our core values, and we PRIDE ourselves on a diverse, employee, and family-centric approach. 

Who we are looking for: 

IDEAS is the Defense Information Systems Agency’s Appian-based contract writing system, hosted in the Impact Level 5 Appian Government Cloud with a Data Integration layer in DISA’s Stratus cloud. The Senior System Administrator is a Key Personnel position that owns system administration for IDEAS, keeps the environments patched, secure, and compliant, and serves as the named alternate to the ISSO for STIG, ACAS, and IAVA execution.

Responsibilities
  • Own execution of system administration for IDEAS as Key Personnel, directing System Administrator support and coordinating with the Database Administrator and ISSO
  • Administer RHEL, Apache HTTP, Oracle Java, and Oracle WebLogic in the Performance, Staging, and Development environments, including system builds and decommissions, user accounts, security groups, and file permissions
  • In Staging and Production, administer application-layer components (Appian, Oracle applications, WebLogic) and submit Enterprise Change Requests to the Change Advisory Board and DISA OS, database, and web administration groups
  • Test and document security patches for RHEL, Apache, Appian, Java, WebLogic, Oracle Service Bus, Tomcat, and ANT in lower environments using automated scripts, and schedule production deployment through the hosting provider’s Application Service Interruption process
  • Serve as the named alternate to the ISSO for STIG checklist reviews, ACAS and HBSS findings, IAVA remediation, and POA&M inputs
  • Manage the DoD PKI certificate lifecycle, including certificate signing requests, installation, expiration tracking, Certificate Revocation List updates, and removal of expired or revoked certificates
  • Automate log inspection with shell scripting and Splunk, and produce ranked "worst actor" risk and trend reports
  • Keep server application components within two releases of the vendor baseline
  • Produce and maintain System Administration documentation, SOPs, System Security Plan inputs, system diagrams, administration and troubleshooting guides, and lists of critical services
  • Support the base-year effort to achieve and maintain Authority to Operate
Required Qualifications
  1. 10+ years of IT experience, including 5+ years administering Red Hat Enterprise Linux in production
  2. 5+ years administering Oracle WebLogic Server
  3. Experience patching, tuning, and securing Apache HTTP and Java applications
  4. Hands-on DISA STIG implementation, ACAS remediation, and IAVA compliance in a DoD Risk Management Framework environment
  5. DoD PKI and SSL/TLS certificate management
  6. Bash scripting for automation, and Splunk or a comparable log analysis tool
  7. Experience working through formal change control in a government-hosted environment
  8. Experience on at least two projects in a large organization administering, operating, maintaining, and securing a large-scale application
Preferred Qualifications
  • Oracle Service Bus and Apache Tomcat administration
  • Prior DISA experience, including the Stratus cloud or DISA hosting coordination
  • Prior IDEAS support
  • eMASS, HBSS/ENS, and IAVA workflow experience
  • Familiarity with Appian Cloud administration
  • RHCSA or RHCE certification

 Why you will succeed at Horizon:

Horizon works at the forefront of new features and development practices and supports its employees in being trained and certified in the latest and greatest. As we continue to expand and grow the Horizon brand around the globe, we want to ensure that our team members are growing with us as you are a vital part of our success story.  This is a great opportunity for us to invest in our employees by supporting you with the right skills and tools to be successful in your careers.  .   

 

Why you will love working with us/ Perks:

  • A comprehensive benefits package including healthcare (medical, dental, vision, and disability)
  • a 401k program where you are 100% vested from day one with an employer match after 90 days.
  • an Educational Assistance program.
  • a Student Loan Repayment Program
  • Gym Reimbursement Program.
  • Paid Time off
  • Dynamics, passionate, multi-disciplinary team of creative minds to work with, and many more.

Horizon is an Equal Employment Opportunity employer, and it is our policy to consider all applicants for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.

 

EOE/Vet/Disabled




Skills Required

  • 10+ years of IT experience
  • 5+ years administering Red Hat Enterprise Linux in production
  • 5+ years administering Oracle WebLogic Server
  • Experience patching, tuning, and securing Apache HTTP and Java applications
  • Hands-on DISA STIG implementation, ACAS remediation, and IAVA compliance in a DoD Risk Management Framework environment
  • DoD PKI and SSL/TLS certificate management experience
  • Bash scripting for automation and Splunk or comparable log analysis tool experience
  • Experience working through formal change control in a government-hosted environment
  • Experience on at least two projects administering, operating, maintaining, and securing a large-scale application in a large organization
  • Oracle Service Bus and Apache Tomcat administration
  • Prior DISA experience, including Stratus cloud or DISA hosting coordination
  • Prior IDEAS support
  • eMASS, HBSS/ENS, and IAVA workflow experience
  • Familiarity with Appian Cloud administration
  • RHCSA or RHCE certification
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Vienna, VA
127 Employees
Year Founded: 1996

What We Do

Horizon Industries is an IT services corporation serving Clients across the U.S. and internationally. Headquartered in Tysons Corner, Virginia, with offices in London, UK, Timisoara, Romania, and New Delhi, India, Horizon has over two decades of experience providing IT and Management consulting services to the U.S. Government and commercial clients around the globe. We focus on emerging capabilities in Cyber, Low Code, RPA, AI and Network Technologies. To meet the business objectives and needs of our clients, our teams deliver full life-cycle of support from business strategy analysis, business system development and deployment, and operations support. Our Mission: We place our customers’ missions first, and believe our own success will follow. Horizon builds excellent multidisciplinary teams that work together, contributing unique perspectives which maximize client results. Horizon’s culture ensures that each employee is constantly learning and acquiring new skills to continually improve the client experience.

Similar Jobs

Wipfli Logo Wipfli

Senior Manager/Director Tax - High Net Worth

Cloud • Fintech • Software • Business Intelligence • Consulting • Financial Services
Remote or Hybrid
Milwaukee, WI, USA
2900 Employees
145K-217K Annually

Wipfli Logo Wipfli

Consultant

Cloud • Fintech • Software • Business Intelligence • Consulting • Financial Services
Remote or Hybrid
United States
2900 Employees
88K-118K Annually

Wipfli Logo Wipfli

Tax Manager

Cloud • Fintech • Software • Business Intelligence • Consulting • Financial Services
Remote or Hybrid
Milwaukee, WI, USA
2900 Employees

Wipfli Logo Wipfli

Senior Manager/Director, Tax - Insurance

Cloud • Fintech • Software • Business Intelligence • Consulting • Financial Services
Remote or Hybrid
United States
2900 Employees
142K-192K Annually

Similar Companies Hiring

Milestone Systems Thumbnail
Artificial Intelligence • Security • Software • Analytics • Big Data Analytics
Lake Oswego, OR
1500 Employees
NODA AI Thumbnail
Artificial Intelligence • Information Technology • Software • Cybersecurity
Sydney, AU
54 Employees
Golden Pet Brands Thumbnail
Digital Media • eCommerce • Information Technology • Marketing Tech • Pet • Retail • Social Media
El Segundo, California
178 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account